Just like all plants and animals, you go through different stages in life too! Help your child to see how he will change and grow throughout his life.

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.

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

Did you know that Uranus can get as cold as -144° Fahrenheit? Learn more about the third largest planet in our solar system on this planet printable.

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

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

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

There are many animals around the world whose lives or homes are threatened. Read about an endangered species from Africa with this info-sheet

If Dorothy had lived a little further south, she might have been swept away to Oz by a hurricane.

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

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

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 word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

Did you know that 763 Earths could fit inside Saturn? Learn more fun facts about Saturn on this fun science printable.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

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

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

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

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

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

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.