Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

Learn more about the earthworm by reading the diagram and, if you dare, conducting a few of the experiments on the next page.

Read the definitions of soil, sand and dirt then write where you can find each type below the pictures. Nurture your budding geologist!

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

Deserts might seem inhospitable to life, but there are actually plenty of animals that can live there!

Gear up to go into the science lab with the help of this activity!

Teach your 1st grader about bees with this fun fact worksheet. Play Sudoku to challenge her logic puzzle skills!

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

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

Here's a beautiful science page to help your child learn the different types of clouds.

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.

What's in the ground beneath our feet? Explore the science of soil with your child using this handy printable!

Quiz your little scientist on his knowledge of the soil layers! He'll be reviewing some important earth science concepts and key terms.

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

Invite budding naturalists to sharpen their observation skills with this colorful, printable scavenger hunt.

Get this earth science worksheet that will challenge your child's knowledge of volcanoes and teach him some new vocabulary.

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.

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

These flash cards serve as an intro to life science, but also help with counting skills and sequential ordering.

Children match animals to their ecosystems in this life sciences worksheet.

Got a kid who loves rocks? Encourage your little geologist to learn about the 3 major rock types with this worksheet.

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

This rose and bee coloring page features a lovely stem of Sun Downer Roses surrounded by a group of Honey Bees. Add color to bring them to life!

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

Children get to know animals of South America in this nature-themed worksheet.

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of the metric system.

Test your child's science savvy with this worksheet, which asks your child to identify what items are made from plants.