What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.

Review energy terminology with this fun fourth-grade crossword puzzle!

Budding botanists can master the different parts of a seed with this helpful diagram!

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

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

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

Help third and fourth graders become rock stars with this informative geology worksheet!

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

Children label the eight planets of our Solar System in this simple astronomy worksheet.

You have over 600 muscles in your body! Kids can try this muscle anatomy word search featuring 14 important muscles.

In this word scramble, children solve a riddle by identifying which things are made of plants and which are not.

Here are listed a handful of natural resources, for kids to classify as renewable resources and nonrenewable resources.

Find out more about single-cell organisms with this coloring page and diagram.

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

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Learn about fish, amphibians, birds, mammals, and reptiles with this colorful life science worksheet for first and second graders!

Explore magnetism with this colorful science worksheet for third and fourth graders!

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Explore grasslands and their fauna in this thought-provoking worksheet!

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Break down a word to create new ones with this fun worksheet for second through fifth graders!

Can you identify the difference between inherited and acquired traits?

Looking for a fun way to supplement your child's science learning? Try out a life science crossword puzzle! This one's all about ecosystems.

Both of these animals have big ears! Your child will look at the pictures of unusual animals in this worksheet and try to learn some new things about them.

The olm is a blind salamander that lives in Europe. Kids will learn how pictures help illustrate concepts with this life science worksheet.

Don't let school year learning slip away this summer: use this chemistry worksheet to practice identifying elements.

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

Discover how plants survive in the desert with this third-grade habitat worksheet!