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.

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

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.

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.

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.

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.

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.

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

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

Help your 2nd grader crack the code using triple digit addition and subtraction to find out what parts of camels can be used to make some tasty dishes.

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

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

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

How many machines can you find around the house? You may find them where you least expect it!

Discover the many different kinds of conifer and deciduous trees as you complete this word search!

Learn about the similarities and differences between objects in this colorful science worksheet!

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

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.

Can you figure out how the Triceratops got his name? Study this Triceratops fact sheet and see if you can guess.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Look for natural resources around a farm in this engaging worksheet for second and third graders!