Showing Results for answer key

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

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! 

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.

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

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!

Dr. McSquare needs help sorting out his lab reports. Can your child read each item, then label it with the correct scientific method step?

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.

Brush up on some physics vocabulary with this energy word search!

This cool physics worksheet helps kids learn how centripetal force and centrifugal force can explain why short track speed skaters don't fall over during turns.

Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

Strengthen your understanding of forces with this kindergarten worksheet!

Get to know the Apollo 11 space mission in this science and history worksheet!

This worksheet teaches your child about physical properties of water, specific heat, kinetic energy and more.

Have you ever felt the sting of rug burn or rope burn? That's friction at work! Learn a bit about this important physical force with a comprehensive worksheet.

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Teach your kids all about the second planet from the Sun with this simple science sheet.

What is biomass energy? Learn about an important form of renewable energy with this colorful worksheet.

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

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

This worksheet features Mercury, the smallest planet in our Solar System, and also the planet that's closest to the Sun.

Teach your child how we measure temperature with these printable thermometers!

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

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

Consider the factors that affect magnetic forces in this informative third- and fourth-grade worksheet!

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!