The earth is always changing and moving.Learn all about weathering and erosion with this worksheet.

Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

Did you know that insects like dragonflies have life cycles that are very similar to our own? Help your little scientist get to know the circle of life.

Introduce your child to the building blocks of life: DNA! This coloring page features a double helix structure, or a DNA strand.

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

This fun cut and paste sheet teaches kids about the process an apple tree goes through as it grows.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

Learn all about the cumulonimbus cloud, more commonly known by a much more fearsome name: the thundercloud!

This page presents the altocumulus cloud, the kind of cloud that often comes before a thunderstorm.

Does your little gardener know about compost? Quiz him on the basic elements of this excellent gardening tool.

Microscopes bring biology to life, allowing us to explore the world's tiniest living things. Have your child create his own organism in the sample slide.

Help your child learn about facts and opinions. Kids will read statements about animals before determining whether each statement is a fact or opinion.

Read the definitions given for soil, sand and dirt then write down where each element can be found below the pictures.

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

Fossils have a lot to teach us about life on earth, but they can also be used to help teach kids the scientific method.

Little outer space explorers, welcome back to our home planet: Earth! Help your child read a few fun facts about planet Earth with this coloring page.

Fossils can tell us about life on earth, but they can also teach kids the scientific method.

Understand nature's visual cues for the shifting of the seasons with this tree seasons match-up activity!

With this diagram, kids can find out more about oil, one of our most widely-used natural resources, and learn a little more about where it comes from.

Stretch your backbones and learn about the creatures that have a spine and those you don't!

The Goliath birdeater is a spider that lives in South America. Your child will read a paragraph about spider before writing an opinion sentence.

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

Kids need lots of things to grow up healthy and strong, and plants do, too! Can your child think of things a plant needs to grow?

This word search helps expand kids' animal vocabulary and introduces them to animals that live in shells, all while keeping them entertained.

Learn about the California tiger salamander, which uses its toxic, bad smell as a defense.

How does the butterfly become so beautiful? Learn about the four stages that it goes through in its life.