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

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

Teach your little scientist the difference between physical and chemical changes, on a molecular level.

What is the difference between a solar eclipse and a lunar eclipse? Find out with this stellar space science worksheet!

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

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

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!

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.

Get to know Earth's star with with this diagram and vocabulary worksheet!

Learn all about wildfires, a natural phenomenon looked upon with awe and caution.

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

If your student is stuck on Celsius, hand him this multiplication and division practice sheet.

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

Use this simple graphic organizer to map out a new word and explore it in depth.

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

This Louis Pasteur biography goes over his accomplishments, and includes a bacteria-based science activity at the end!

Find out all about the different parts of the eyes and how they work together to make vision possible.

Learn about a famous woman of science, Rosalind Franklin, and how she contributed to the discovery of DNA's double-helix structure.

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Color in this diagram to see how a tree works and to better understand how many plants transport their "food".

In this worksheet, kids learn about basic physics concepts like mass, momentum, and velocity by applying them to a popular winter sport: slalom skiing!

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Kids learn about the Earth's solid and atmospheric layers, then label the diagram with the correct terms in this fifth grade Earth science worksheet.

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

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.

After he fills in the blanks, your student can hold on to this worksheet on hydrogen for reference when preparing for tests and quizzes on physical science.

A useful overview of terrestrial biomes, including a climate key.

Ever wonder about how to make the perfect paper airplane? Learn about the four forces that affect flight with paper airplane physics!