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

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

Here are four examples of mineral resources for kids to think about, plus a short explanation of what a mineral resource is.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

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

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

Dive into a coral reef habitat with this second- and third-grade worksheet!

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

Observe the life cycle of an oriole with this second- and third-grade worksheet!

See which snail has gotten the farthest with this 2nd grade measurement snail race worksheet.

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

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

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

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

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

Decide which plants could live in a grassland with this second- and third-grade worksheet!

Determine which plants would survive in a pond with this second- and third-grade worksheet!

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

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

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

Learn about the life cycle of a wood frog in this second- and third-grade worksheet!

Decide which plants could survive in the desert with this second- and third-grade habitat worksheet!

Illustrate each season with this engaging first- and second-grade weather 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.

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

Take a walk through a flora-filled forest with this second-grade habitat worksheet!

Take a trip down to the river with this second- and third-grade habitat worksheet!

What do juice, water, and tea have in common? Compare and contrast matter in this engaging 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.