Does your little gardener know about compost? Quiz him on the basic elements of this excellent gardening tool.

Ferrets are known for being sneaky, so don't be fooled by this quiz! Discuss this unique animal with your child as she learns some fun ferret facts.

Is your child crazy about snakes? Introduce him to the rosy boa with this fun and informative quiz.

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

Guinea pigs are social animals that make great pets. Test your child's knowledge of these furry critters with this fun quiz.

Did you know some people have little teacup pigs as pets? Learn all about these adorable animals with your child as she completes this fact-filled quiz.

Can your little geologist identify the three main types of rock? Test his earth science savvy with a matching activity.

Take a quick lesson in the otters that inhabit Yellowstone National Park and take an even quicker quiz.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Quiz your little scientist on his knowledge of the soil layers! He'll be reviewing some important earth science concepts and key terms.

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.

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

Learn about the similarities and differences between objects in this colorful science worksheet!

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

This worksheet features a scientific explanation and awesome photos of solar eclipses, which are extremely rare scientific phenomena.

Here's a thorough, easy-to-understand breakdown of the color wheel that includes primary, secondary and tertiary colors.

In this science matching worksheet, children will test their solar system know-how by matching each celestial body to the correct fact.

Learn about the badgers that live in Yellowstone National Park.

Read about the mule deer, the most abundant deer in Yellowstone National Park.

Get a light lesson in the darkest of creatures, the raven.

Animals need to adapt to survive! Teach your child how some animals can blend with their surroundings using camouflage.

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Learn about the amphibians and reptiles of Yellowstone National Park.

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

Discover how plants survive in the desert with this third-grade habitat worksheet!

Explore humans’ inherited traits with this fun science worksheet!

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

Practice describing different objects and substances in this colorful worksheet!

Why do some desert animals have large ears? Why do others have scales? Learn the answers to these questions and more with this life science worksheet!