Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

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

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

Review the terminology of collisions with this engaging crossword puzzle for fourth graders!

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

Change up your regular classwork with this hands-on science worksheet!

Learn all about the science of the movies and the basic concepts behind how they work.

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of the metric system.

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

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Use your powers of prediction to project the future movement of playground objects!

Be a glow-getter with this energy transfer worksheet!

Create the most effective solar cooker in this engaging energy-focused worksheet!

Become an energy investigator in this electrifying science worksheet!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.