Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

We all know the famous equation E = MC^2. But what does it mean? Learn a bit more about Einstein's famous energy equation with this physical science worksheet.

Encourage your child to take a nature walk, using the prompts on this worksheet to write and draw their observations of plants, animals, sounds, and more.

With this worksheet, kids read about the sport of biathlon and gain an appreciation for the skills involved by studying the math and physics behind them!

Learn the ins and outs of one of the body's most important organs: the heart!

Have your little chemist think about the properties, or characteristics, of metals. What makes them different than non-metals?

Learn about the plants and animals that make deciduous forests their home, then complete the crossword puzzle.

Learn what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!

What is Pluto? According to scientists... no, not quite. Find out more behind the answer to that age-old question.

How was our solar system created? Read a bit about one of the most well-known theories in this worksheet about the Big Bang.

Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.

Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science worksheet.

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

Fill in the blanks from the words listed in the word bank, then keep this sheet handy to prepare for tests and quizzes on life science and photosythesis.

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.

Shake up your science studies with this worksheet about earthquakes.

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

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.