Texas Essential Knowledge and Skills (TEKS) 2nd Grade Science Activities
Printable Second Grade Science Worksheets? Study Guides and Vocabulary Sets.
Rocks, Soil and waterWhat are Rocks? Rocks are solid objects found in nature. Rocks are made up of minerals. What is Soil? Soil is the loose material the covers much of the Earth. Soil is also nonliving. Soil can be made of clay, sand, and humus. All living things need WATER to survive and to grow. The movement and recycling of the Earth’s water is called the water cycle. Read more...iWorksheets: 3Study Guides: 1Vocabulary Sets: 2 The sun and earthThe Sun is a large hot ball of gas. It is also a star. The Sun gives Earth light and heat. Living things need the Sun to live! Sun rays shine on the moon at night which makes the moon bright! The Earth is the third planet from the Sun. There are four seasons: winter, spring, summer, and fall. Read more...iWorksheets: 5Study Guides: 1Vocabulary Sets: 1 All about sound and lightHow is Sound Made? Sound is made because of something vibrating. You hear sounds when vibrating air causes your eardrum to vibrate. How Are Sounds Different? How Does Sound Travel? How Do People and Animals Make Sounds? What is Light? Light is also a form of energy. Light is energy that travels at very high speeds. Where Does Light Come From? Read more...iWorksheets: 3Study Guides: 1Vocabulary Sets: 1 Objects in motionWhat is force? A force is a push or pull that can make something move. Read more...iWorksheets: 3Study Guides: 1Vocabulary Sets: 2 Energy needsWhat is Energy? Energy is the ability to do work. Energy is what allows living things and objects to do things. Different Kinds of Energy are: Heat Energy, Energy of Motion, Light Energy, Sound Energy, Electricity or Electrical Energy. Some Sources of Energy are: The Sun, A candle, A stove, Food. Read more...iWorksheets: 3Study Guides: 1 Math in ScienceCharts and Graphs. Studying Plants. Studying Animals. Studying Water Habitats, Studying How Living Things Grow and Change. Studying Energy Needs. Studying Earth's Weather. Studying the Sun and the Earth. Studying the Moon, Stars, and Planets. Studying Earth, Yesterday and Today. Using and Saving Natural Resources. Hands-on Lab Skills. Read more...iWorksheets: 3Study Guides: 1 Science in our worldWhat is Technology? Technology is using science in order to solve different problems. Technology uses things we know about science to make tools for people to make doing work easier. Technology can be as simple as a hammer. Technology keeps us safe (in our houses, our cars). Technology supplies us with the things we need to live. Read more...iWorksheets: 3Study Guides: 1Vocabulary Sets: 1 §112.13. Science, Grade 2, Adopted 2017 – The provisions of §§112.11-112.16 of this subchapter shall be implemented by school districts beginning with the 2018-2019 school year.
(b). Knowledge and skills.
(1). Scientific investigation and reasoning. The student conducts classroom and outdoor investigations following home and school safety procedures. The student is expected to:
(A). identify, describe, and demonstrate safe practices as outlined in Texas Education Agency-approved safety standards during classroom and outdoor investigations, including wearing safety goggles or chemical splash goggles, as appropriate, washing hands, and using materials appropriately
Hands-on Lab Skills/Science Inquiry - 3rd gradeScience Process Skills: Observing, Classifying, Estimating, Predicting/Hypothesis, Making Inferences, Models, Investigating, Collecting Data, Interpreting Data. Scientific Method: Ask a question, Write an Hypothesis, Create a control variable, Conduct an Experiment, Record Your Data, Decide Your Final Answer, State Your Final Answer. Science Tools. Safety in Science. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Hands-on Lab Skills/Science InquiryScientists use MANY different tools while they are observing and conducting experiments. Here are some tools scientists use: RULER, MEASURING CUP, CLOCK, HAND, LENS, THERMOMETER, BALANCE. Scientists often put objects into piles or groups based on their color, shape, texture, size and weight. Read more...iWorksheets :3Study Guides :1Vocabulary :2 (B). identify and demonstrate how to use, conserve, and dispose of natural resources and materials such as conserving water and reuse or recycling of paper, plastic, and metal
Natural resourcesNatural resources are found on the Earth and are important to living things. Some natural resources come from below the Earth’s surface. Some natural resources are nonrenewable, which means that can not be replaced. Some natural resources are renewable. Three examples of natural resources we have in abundance on Earth are: sunlight, air, and water. Read more...iWorksheets :3Study Guides :1Vocabulary :1 Taking Care of EarthHow Can People Protect the Earth? We can use our resources wisely. That means we must use all resources carefully and not waste them. Do not waste water. Do not litter – throw trash away in a trash can. Do not put bad things in water. Bad things can pollute water. Remember the three R’s: Reduce, Reuse, and Recycle. Read more...iWorksheets :3Study Guides :1Vocabulary :2 Using and saving natural resourcesNatural resources are found on the Earth and are important to living things. People, plants, and animals need air to live. Air is a natural resource that never runs out! Water is another natural resource that people and animals use – they drink water in order to survive. Plants also need water to grow. Some natural resources are renewable. Read more...iWorksheets :3Study Guides :1Vocabulary :2 (2). Scientific investigation and reasoning. The student develops abilities necessary to do scientific inquiry in classroom and outdoor investigations. The student is expected to:
(C). collect data from observations using scientific tools
Hands-on Lab Skills/Science Inquiry - 3rd gradeScience Process Skills: Observing, Classifying, Estimating, Predicting/Hypothesis, Making Inferences, Models, Investigating, Collecting Data, Interpreting Data. Scientific Method: Ask a question, Write an Hypothesis, Create a control variable, Conduct an Experiment, Record Your Data, Decide Your Final Answer, State Your Final Answer. Science Tools. Safety in Science. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Hands-on Lab Skills/Science InquiryScientists use MANY different tools while they are observing and conducting experiments. Here are some tools scientists use: RULER, MEASURING CUP, CLOCK, HAND, LENS, THERMOMETER, BALANCE. Scientists often put objects into piles or groups based on their color, shape, texture, size and weight. Read more...iWorksheets :3Study Guides :1Vocabulary :2 What is science?Science is the study of the world around us. Scientists study the world around us. When studying things like plants, animals, and rocks, scientists use their senses: Eyes - to see. Nose - to smell. Ears - to hear. Hands - to touch. Mouth - to taste. Scientists study many things – like the things YOU study in 2nd grade: plants, rocks, weather, fossils, solar system, animals. Read more...iWorksheets :3Study Guides :1Vocabulary :1 Hands-on lab skills/Science InquiryPredictions Based on Patterns. Scientists often make predictions based on all the things they already know are true. Predict means to tell what you think is going to
happen. Scientists then test their predictions to see if they are right! Scientists often compare and sort objects based on color, shape, texture, size and weight. Scientists use a METER STICK to measure the length of an object. Read more...iWorksheets :3Study Guides :1Vocabulary :1 (3). Scientific investigation and reasoning. The student knows that information and critical thinking, scientific problem solving, and the contributions of scientists are used in making decisions. The student is expected to:
(B). make predictions based on observable patterns
Hands-on Lab Skills/Science Inquiry - 3rd gradeScience Process Skills: Observing, Classifying, Estimating, Predicting/Hypothesis, Making Inferences, Models, Investigating, Collecting Data, Interpreting Data. Scientific Method: Ask a question, Write an Hypothesis, Create a control variable, Conduct an Experiment, Record Your Data, Decide Your Final Answer, State Your Final Answer. Science Tools. Safety in Science. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Hands-on lab skills/Science InquiryPredictions Based on Patterns. Scientists often make predictions based on all the things they already know are true. Predict means to tell what you think is going to
happen. Scientists then test their predictions to see if they are right! Scientists often compare and sort objects based on color, shape, texture, size and weight. Scientists use a METER STICK to measure the length of an object. Read more...iWorksheets :3Study Guides :1Vocabulary :1 (C). identify what a scientist is and explore what different scientists do
What is science?Science is the study of the world around us. Scientists study the world around us. When studying things like plants, animals, and rocks, scientists use their senses: Eyes - to see. Nose - to smell. Ears - to hear. Hands - to touch. Mouth - to taste. Scientists study many things – like the things YOU study in 2nd grade: plants, rocks, weather, fossils, solar system, animals. Read more...iWorksheets :3Study Guides :1Vocabulary :1 Fossils and dinosaursMany animals have lived on Earth and many still live on the Earth.
Some lived on Earth millions of year ago. Many of these animals unfortunately do not live on Earth anymore. Fossils are things that provide evidence (or proof) of things that lived long ago. A fossil is the outline or piece of something that died millions of years ago. Read more...iWorksheets :4Study Guides :1Vocabulary :1 (4). Scientific investigation and reasoning. The student uses age-appropriate tools and models to investigate the natural world. The student is expected to:
(A). collect, record, and compare information using tools, including computers, hand lenses, rulers, plastic beakers, magnets, collecting nets, notebooks, and safety goggles or chemical splash goggles, as appropriate; timing devices; weather instruments such as thermometers, wind vanes, and rain gauges; and materials to support observations of habitats of organisms such as terrariums and aquariums
WeatherWhat is the weather like outside? Weather is the condition of the air outside. Weather involves many things, such as clouds, temperature, water in the air, and the wind. Read more...iWorksheets :3Study Guides :1Vocabulary :2 Hands-on Lab Skills/Science Inquiry - 3rd gradeScience Process Skills: Observing, Classifying, Estimating, Predicting/Hypothesis, Making Inferences, Models, Investigating, Collecting Data, Interpreting Data. Scientific Method: Ask a question, Write an Hypothesis, Create a control variable, Conduct an Experiment, Record Your Data, Decide Your Final Answer, State Your Final Answer. Science Tools. Safety in Science. Read more...iWorksheets :4Study Guides :1Vocabulary :2 WeatherWhen someone asks, “What is the weather today?” you know what they are asking. They are asking what it is like outside. They want to know what nature is doing in your area – raining, snowing, blowing… How We Measure Weather: We measure temperature using a thermometer. A wind vane measures the direction of the wind. A rain gauge measures how much rain falls.Read more...iWorksheets :4Study Guides :1Vocabulary :2 Hands-on Lab Skills/Science InquiryScientists use MANY different tools while they are observing and conducting experiments. Here are some tools scientists use: RULER, MEASURING CUP, CLOCK, HAND, LENS, THERMOMETER, BALANCE. Scientists often put objects into piles or groups based on their color, shape, texture, size and weight. Read more...iWorksheets :3Study Guides :1Vocabulary :2 What is science?Science is the study of the world around us. Scientists study the world around us. When studying things like plants, animals, and rocks, scientists use their senses: Eyes - to see. Nose - to smell. Ears - to hear. Hands - to touch. Mouth - to taste. Scientists study many things – like the things YOU study in 2nd grade: plants, rocks, weather, fossils, solar system, animals. Read more...iWorksheets :3Study Guides :1Vocabulary :1 Earth's weather and seasonsWhat is Weather? Weather is what it feels like outside right now: hot, cold, windy, wet... There are Four Seasons: Winter, Spring, Summer, Fall. Seasons always come in the same order every year. Each season brings different weather. Winter is the coldest season and summer is the warmest. Some Kinds of Bad Weather: A thunderstorm, A blizzard, A hurricane. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Hands-on lab skills/Science InquiryPredictions Based on Patterns. Scientists often make predictions based on all the things they already know are true. Predict means to tell what you think is going to
happen. Scientists then test their predictions to see if they are right! Scientists often compare and sort objects based on color, shape, texture, size and weight. Scientists use a METER STICK to measure the length of an object. Read more...iWorksheets :3Study Guides :1Vocabulary :1 Did you know... 2nd GradeGas is all around us. There is a layer of gas that surrounds Earth, which is called the atmosphere. Scientists who study the weather are called meteorologists. Some plants like ferns do not have flowers. They make new plants using spores instead of seeds. The cheetah is the fastest animal in the world. Cheetahs can run up to about 113 kilometers per hour. The arctic is the coldest habitat. Brrrr! Read more...iWorksheets :3Study Guides :1Vocabulary :1 (B). measure and compare organisms and objects
Hands-on Lab Skills/Science InquiryScientists use MANY different tools while they are observing and conducting experiments. Here are some tools scientists use: RULER, MEASURING CUP, CLOCK, HAND, LENS, THERMOMETER, BALANCE. Scientists often put objects into piles or groups based on their color, shape, texture, size and weight. Read more...iWorksheets :3Study Guides :1Vocabulary :2 Hands-on lab skills/Science InquiryPredictions Based on Patterns. Scientists often make predictions based on all the things they already know are true. Predict means to tell what you think is going to
happen. Scientists then test their predictions to see if they are right! Scientists often compare and sort objects based on color, shape, texture, size and weight. Scientists use a METER STICK to measure the length of an object. Read more...iWorksheets :3Study Guides :1Vocabulary :1 (5). Matter and energy. The student knows that matter has physical properties and those properties determine how it is described, classified, changed, and used. The student is expected to:
(A). classify matter by physical properties, including relative temperature, texture, flexibility, and whether material is a solid or liquid
Hands-on lab skills/Science InquiryPredictions Based on Patterns. Scientists often make predictions based on all the things they already know are true. Predict means to tell what you think is going to
happen. Scientists then test their predictions to see if they are right! Scientists often compare and sort objects based on color, shape, texture, size and weight. Scientists use a METER STICK to measure the length of an object. Read more...iWorksheets :3Study Guides :1Vocabulary :1 (B). compare changes in materials caused by heating and cooling
Comparing matterWhat is matter? Matter is all around you. Matter is anything that takes up space. Mass is the amount of matter in an object. It is how much stuff an object is made of. Read more...iWorksheets :3Study Guides :1Vocabulary :1 (C). demonstrate that things can be done to materials such as cutting, folding, sanding, and melting to change their physical properties
Changes in matterA physical change is when something changes its appearance without changing its makeup. An example of a physical change is chopping wood. An example of a chemical change is burning the wood. Read more...iWorksheets :3Study Guides :1Vocabulary :1 Comparing matterWhat is matter? Matter is all around you. Matter is anything that takes up space. Mass is the amount of matter in an object. It is how much stuff an object is made of. Read more...iWorksheets :3Study Guides :1Vocabulary :1 (6). Force, motion, and energy. The student knows that forces cause change and energy exists in many forms. The student is expected to:
(B). observe and identify how magnets are used in everyday life
MagnetsWhat is a Magnet? Magnets attract certain kinds of metal such as iron. A magnet has two poles, a north and south pole. Its north pole is on one end and its south pole is on the other end. What do magnets do? Magnets can attract an object. Attract means to pull towards. If something is magnetic, that means it can be attracted by a magnet. Read more...iWorksheets :3Study Guides :1Vocabulary :1 MagnetsWhat Is a Magnet? A magnet attracts certain kinds of metal. Attract means to pull towards. If something is magnetic, that means it is attracted by a magnet. Magnets come in different shapes and sizes. Magnets are used most every day. Example: You may have magnets on your refrigerator to hang up pictures and notes. Read more...iWorksheets :3Study Guides :1Vocabulary :1 (7). Earth and space. The student knows that the natural world includes earth materials. The student is expected to:
(A). observe, describe, and compare rocks by size, texture, and color
Rocks, Minerals, and soilRocks are solid material found in nature made up of minerals. A mineral is a natural material usually found in the ground. A rock has physical properties like color and composition, or what exact minerals make up the rock. Read more...iWorksheets :4Study Guides :1Vocabulary :2 (B). identify and compare the properties of natural sources of freshwater and saltwater
Changes on earthA glacier is a slow moving large body of ice. A volcano is an opening in the Earth’s crust from which hot, melted rock forcefully comes out when pressure is built up inside the Earth. An earthquake is a sudden shift in the Earth’s crust that causes the ground to shake and vibrate violently. Weathering is the process of rocks being changed over time by conditions such as rain, snow, ice, pressure.Read more...iWorksheets :4Study Guides :1Vocabulary :3 (C). distinguish between natural and manmade resources
Using and saving natural resourcesNatural resources are found on the Earth and are important to living things. People, plants, and animals need air to live. Air is a natural resource that never runs out! Water is another natural resource that people and animals use – they drink water in order to survive. Plants also need water to grow. Some natural resources are renewable. Read more...iWorksheets :3Study Guides :1Vocabulary :2 (8). Earth and space. The student knows that there are recognizable patterns in the natural world and among objects in the sky. The student is expected to:
(A). measure, record, and graph weather information, including temperature, wind conditions, precipitation, and cloud coverage, in order to identify patterns in the data
WeatherWhat is the weather like outside? Weather is the condition of the air outside. Weather involves many things, such as clouds, temperature, water in the air, and the wind. Read more...iWorksheets :3Study Guides :1Vocabulary :2 WeatherWhen someone asks, “What is the weather today?” you know what they are asking. They are asking what it is like outside. They want to know what nature is doing in your area – raining, snowing, blowing… How We Measure Weather: We measure temperature using a thermometer. A wind vane measures the direction of the wind. A rain gauge measures how much rain falls.Read more...iWorksheets :4Study Guides :1Vocabulary :2 Earth's weather and seasonsWhat is Weather? Weather is what it feels like outside right now: hot, cold, windy, wet... There are Four Seasons: Winter, Spring, Summer, Fall. Seasons always come in the same order every year. Each season brings different weather. Winter is the coldest season and summer is the warmest. Some Kinds of Bad Weather: A thunderstorm, A blizzard, A hurricane. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Did you know... 2nd GradeGas is all around us. There is a layer of gas that surrounds Earth, which is called the atmosphere. Scientists who study the weather are called meteorologists. Some plants like ferns do not have flowers. They make new plants using spores instead of seeds. The cheetah is the fastest animal in the world. Cheetahs can run up to about 113 kilometers per hour. The arctic is the coldest habitat. Brrrr! Read more...iWorksheets :3Study Guides :1Vocabulary :1 (C). observe, describe, and record patterns of objects in the sky, including the appearance of the Moon
Earth in spaceFreeThe Sun, which is a star, is Earth's source of heat and light. The earth travels in circles around the Sun. The Earth’s rotation every 24 hours results in day and night on Earth. Read more...iWorksheets :3Study Guides :1Vocabulary :1 WeatherWhen someone asks, “What is the weather today?” you know what they are asking. They are asking what it is like outside. They want to know what nature is doing in your area – raining, snowing, blowing… How We Measure Weather: We measure temperature using a thermometer. A wind vane measures the direction of the wind. A rain gauge measures how much rain falls.Read more...iWorksheets :4Study Guides :1Vocabulary :2 Earth's weather and seasonsWhat is Weather? Weather is what it feels like outside right now: hot, cold, windy, wet... There are Four Seasons: Winter, Spring, Summer, Fall. Seasons always come in the same order every year. Each season brings different weather. Winter is the coldest season and summer is the warmest. Some Kinds of Bad Weather: A thunderstorm, A blizzard, A hurricane. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Moon, star and planetsThe moon moves around the Earth. A star is a hot ball of gas, stars give off light. The Sun is a star. Read more...iWorksheets :3Study Guides :1Vocabulary :2 (9). Organisms and environments. The student knows that living organisms have basic needs that must be met for them to survive within their environment. The student is expected to:
(A). identify the basic needs of plants and animals
How do plants grow?Plants need many essential things in order to grow, such as: water, air, nutrients, sunlight, and warm temperature. Plants need their space too! If a plant grows too close to other plants, it may not grow healthy and strong, because the plants may compete over the available water, nutrients, and space in the soil for their roots to grow. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Did you Know... 3rd gradeThere are so many amazing scientific facts out there, waiting to be discovered by you! Check out some of the incredible ‘Did You Know? facts that have to do with many of the science topics you learn about in 3rd Grade. Read more...iWorksheets :3Study Guides :1 AnimalsFreeThere are many different kinds of animals. The five main groups of animals are: Fish, birds, mammals, reptiles and amphibians. Read more...iWorksheets :4Study Guides :1Vocabulary :1 Land HabitatsWhat is a habitat? A habitat is the place where plants and animals live. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Water HabitatsWe already know that a habitat is the place where plants and animals live. Now, let’s look at WATER habitats... Water covers nearly 75% of the Earth:
which means there is a lot more water than land on Earth! Read more...iWorksheets :4Study Guides :1Vocabulary :2 How do plants and animals live together?Plants need air, water, sunlight, and room to grow in order to live.
Animals need air, water, food, and shelter in order to live. What is a Shelter? It’s a safe place for an animal! Read more...iWorksheets :3Study Guides :1 Reptiles, amphibians and fishReptiles have scales. Reptiles are born on land. Reptiles are cold-blooded which means their bodies change temperatures with the outside temperature around them. Reptiles lay eggs, and their babies hatch from those eggs. All amphibians begin their life in water with gills. As they grow, they develop lungs – which is
what they use to breathe with on land. They grow legs to use on land too. Fish use gills to breathe. A fish stays in the water for its entire life! Read more...iWorksheets :4Study Guides :1Vocabulary :1 (C). compare the ways living organisms depend on each other and on their environments such as through food chains
Food ChainsWhat is a Food Chain? A food chain is a chain of plant and animals in which
a plant or animal is eaten by the next animal on the chain. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Did you Know... 1st GradeAir is a nonliving thing. The air we breathe in is called oxygen. Herbivores are animals that only eat plants. Can you believe a HUGE dinosaur called a brachiosaurus was an herbivore? A whale is NOT a fish. It is a mammal that lives in the ocean. You have almost 10,000 taste buds in your mouth! These taste buds
help you TASTE food. You can taste things that are sweet, sour, salty, and bitter! Read more...iWorksheets :3Study Guides :1Vocabulary :2 Land HabitatsWhat is a habitat? A habitat is the place where plants and animals live. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Water HabitatsWe already know that a habitat is the place where plants and animals live. Now, let’s look at WATER habitats... Water covers nearly 75% of the Earth:
which means there is a lot more water than land on Earth! Read more...iWorksheets :4Study Guides :1Vocabulary :2 How do plants and animals live together?Plants need air, water, sunlight, and room to grow in order to live.
Animals need air, water, food, and shelter in order to live. What is a Shelter? It’s a safe place for an animal! Read more...iWorksheets :3Study Guides :1 Mammals and birdsWhat are Birds? Birds are warm-blooded animals that have: wings, feathers, a beak, no teeth, bones. Birds lay eggs. Their young hatch from those eggs. What Are Mammals? Mammals are animals that have hair. Mammals are the only animals with hair. Mammals are also warm-blooded. This means their body temperature stays the same, even if it is very cold or hot outside. Read more...iWorksheets :4Study Guides :1Vocabulary :1 (10). Organisms and environments. The student knows that organisms resemble their parents and have structures and processes that help them survive within their environments. The student is expected to:
(A). observe, record, and compare how the physical characteristics and behaviors of animals help them meet their basic needs
All about animalsWhat Do Animals Need to Live? Animals need to: drink water, eat food, breathe air. Animals also need shelter. How do Animals Get Food? How do Different Animals Breath? Animals Grow and Change. How do Animals Stay Safe? Animal Body Parts. Read more...iWorksheets :4Study Guides :1Vocabulary :1 Animal groupsA MAMMAL is an animal. A REPTILE is an animal. An AMPHIBIAN is an animal. Worms are animals too! Insects – bugs! Insects are part of the animal family too! Some animals have four legs. Some animals have two legs. Animals have different coverings on their bodies. Some animals have fur… Read more...iWorksheets :3Study Guides :1Vocabulary :1 (B). observe, record, and compare how the physical characteristics of plants help them meet their basic needs such as stems carry water throughout the plant
Main Parts of PlantsA plant has many important parts, such as its roots, stem, leaves, and flower. Each part of a plant has many functions that make it possible for a plant to live. Read more...iWorksheets :5Study Guides :1Vocabulary :2 How do plants grow?Plants need many essential things in order to grow, such as: water, air, nutrients, sunlight, and warm temperature. Plants need their space too! If a plant grows too close to other plants, it may not grow healthy and strong, because the plants may compete over the available water, nutrients, and space in the soil for their roots to grow. Read more...iWorksheets :4Study Guides :1Vocabulary :2 All about plantsWhat do plants need to grow? A plant needs: water, air, sunlight and room. How does a plant grow? A seed comes from an adult plant and falls to the ground. Once in the ground, a seed begins to grow in the soil. Roots grow from a seed down into the ground. A young plant grows up through the soil. Parts of a Plant: Roots, Stem, Leaves, Flower. Read more...iWorksheets :3Study Guides :1Vocabulary :1 PlantsWhat are the Parts of a Plant? Let’s go from the bottom to the top: ROOTS, STEM, LEAVES, FLOWERS. Who Needs Plants? EVERYONE! Plants give off a gas called oxygen which is what we (and animals) need to breathe in to live. A plant's life cycle is how long a plant lives or how long it takes to grow, flower, and make seeds. All plants need water, air, and warm temperatures to grow. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Land HabitatsWhat is a habitat? A habitat is the place where plants and animals live. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Water HabitatsWe already know that a habitat is the place where plants and animals live. Now, let’s look at WATER habitats... Water covers nearly 75% of the Earth:
which means there is a lot more water than land on Earth! Read more...iWorksheets :4Study Guides :1Vocabulary :2 Reptiles, amphibians and fishReptiles have scales. Reptiles are born on land. Reptiles are cold-blooded which means their bodies change temperatures with the outside temperature around them. Reptiles lay eggs, and their babies hatch from those eggs. All amphibians begin their life in water with gills. As they grow, they develop lungs – which is
what they use to breathe with on land. They grow legs to use on land too. Fish use gills to breathe. A fish stays in the water for its entire life! Read more...iWorksheets :4Study Guides :1Vocabulary :1 (C). investigate and record some of the unique stages that insects such as grasshoppers and butterflies undergo during their life cycle
How animals grow and change and liveAnimals have certain traits which help them survive in their environment. These survival traits are called adaptations. Many adaptations are inherited, which means they are passed on from the parents of animal. Many animals have adaptations for eating such as the way a bird’s beak is shaped. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Land HabitatsWhat is a habitat? A habitat is the place where plants and animals live. Read more...iWorksheets :4Study Guides :1Vocabulary :2 Water HabitatsWe already know that a habitat is the place where plants and animals live. Now, let’s look at WATER habitats... Water covers nearly 75% of the Earth:
which means there is a lot more water than land on Earth! Read more...iWorksheets :4Study Guides :1Vocabulary :2 Mammals and birdsWhat are Birds? Birds are warm-blooded animals that have: wings, feathers, a beak, no teeth, bones. Birds lay eggs. Their young hatch from those eggs. What Are Mammals? Mammals are animals that have hair. Mammals are the only animals with hair. Mammals are also warm-blooded. This means their body temperature stays the same, even if it is very cold or hot outside. Read more...iWorksheets :4Study Guides :1Vocabulary :1 Reptiles, amphibians and fishReptiles have scales. Reptiles are born on land. Reptiles are cold-blooded which means their bodies change temperatures with the outside temperature around them. Reptiles lay eggs, and their babies hatch from those eggs. All amphibians begin their life in water with gills. As they grow, they develop lungs – which is
what they use to breathe with on land. They grow legs to use on land too. Fish use gills to breathe. A fish stays in the water for its entire life! Read more...iWorksheets :4Study Guides :1Vocabulary :1 Earth yesterday and todayLife on Earth Has Changed. Many kinds of animals that used to live on Earth are no longer living. They are extinct. Reasons for Extinction: Big changes in the climate. Many times animals could not handle these big changes in the weather. Good news: Many animals have adapted to many changes that happen on Earth so that they CAN survive and NOT become extinct! Read more...iWorksheets :3Study Guides :1Vocabulary :1 Standards
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