3rd Grade Science Worksheets : Page 3

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

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

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

Looking for a fun way to supplement your child's science learning? Try out a life science crossword puzzle! This one's all about ecosystems.

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

Collecting data is an important part of math and statistics. Practice gathering data using items around the house or classroom!

In this worksheet, children will learn about the intricate "waggle dance" honeybees use to communicate to each other.

This worksheet teaches all about the planet Saturn and its placement in the Solar System.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

Milky Way: candy bar or galaxy of 100 to 400 billion stars?

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!

Looking for a way to teach your kids all about the planets? This worksheet is the way to go. It features Venus, the second planet from the sun.

Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.

It's never too early to start teaching your kid about eating right and staying active.

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

Children hone their powers of observation using this worksheet template.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

Children get to know a few geology terms in this landform word search puzzle.

Here's a great worksheet for teaching your kids all about the planet Mercury. Did you know that it's the smallest planet in our solar system?

From glaciers to mountains to wetlands, our planet has lots of different landforms. Help your child learn all about them with this fun earth science crossword.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Crossword puzzles are a great way to make life science learning fun. This one's all about natural selection, and it's sure to give your child a fun challenge.

Did you know jaguars are great swimmers? Kids will learn all about rainforest animals with this fun activity page, including a word search and coloring!

Learners will get to know the bald eagle, the national bird of the United States and an inhabitant of Yellowstone National Park.

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!