Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

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.

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.

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

Prepare students for an upcoming science lab with this helpful worksheet!

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

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

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.

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

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.

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.

Learning about the functions of plant parts doesn’t have to be puzzling! Review the parts of a plant with this crossword for first and second graders.

Practice identifying living and nonliving things with this first- and second-grade science worksheet!

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.

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

Dive into habitat studies with this second- and third-grade worksheet!

Learn about the texture and hardness of different objects in this second-grade worksheet!

Learn how seeds move with this second- and third-grade matching activity!

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

Explore how Earth’s surface can change in this investigative second-grade worksheet!

Match each animal to its home in this first- and second-grade life science worksheet!

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

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

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