Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

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

Practice describing different objects and substances in this colorful worksheet!

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

Budding inventors can get a fun review of the simple machines with this word search.

Ready for liftoff? Take to the starry skies with this worksheet that explores the three basic types of galaxies.

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

Can your little geologist identify the three main types of rock? Test his earth science savvy with a matching activity.

Unearth fossils in this explorative third-grade worksheet!

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.

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

Worm your way through this soil maze, which doubles as a fun way to review the names of the different soil layers.

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Can you help Cornelius create a crazy compost concoction? Help your child review his knowledge of compost and recycling with this fun worksheet.

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

This is not your average coloring page. Using only the three primary colors, mix your paints together to form as many colors as possible.

Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

Consider the factors that affect magnetic forces in this informative third- and fourth-grade worksheet!

Your child will write about his or her favorite animal. Kids will research their favorite animals online or at the library, then write down three facts.

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this worksheet.

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

Look up into the night sky, and you may see three prominent stars side by side. This is Orion's belt, one of the most well known constellations!

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

Blue whale facts include that calves weigh up to three tons at birth and adults can be as heavy as 200 tons. Get other cool blue whale facts on this worksheet.