Why do some objects make loud sounds when dropped, while others make quiet sounds?

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

In this science vocabulary worksheet, kids will look at the labeled diagram of the monarch butterfly and then use what they have learned to finish the sentences.

Does your little gardener know about compost? Test their knowledge of this sensationally smelly earth science process!

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

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

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

Facts about ostrich include that they are the largest birds in the world and that they can't fly, but that's not all. Learn all about this amazing bird!

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

The earth is always changing and moving.Learn all about weathering and erosion with this worksheet.

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

How do you make recycled paper? Learn all about the recycling paper process on this informative worksheet.

Get all the Tasmanian devil facts on this worksheet, from what they eat to how they got their name.

Learn all about the cumulonimbus cloud, more commonly known by a much more fearsome name: the thundercloud!

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

This page is all about building your kid's natural resources vocabulary words, along with research skills.

Teach your child all about the growth cycle of carrots, those bright orange veggies found on dinner tables everywhere.

Ever wonder how the flying squirrel actually flies? Give your child a great coloring page, all about the flying squirrel!

All living things have a life cycle. Learn about the different stages that a bird goes through from birth to adulthood!

This spikey Stegosaurus looks fierce, but don't worry -- he's a vegetarian! Learn all about this massive dinosaur with a fun fact sheet.

All living things go through cycles. Learn about the life cycle of an amphibian with this diagram of the life of a frog!

Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

All of these products are made from plants, or they can be! Practice using a Venn diagram, researching and classifying items with your kids.

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

All living things need water to survive. Listed are some of the ways we use water: can your child think of others?

All living things go through many changes as they grow to be adults! Help your little one understand how he will grow and change.

In 2012, an 80 million-year-old dinosaur was discovered, and you can learn all about this 20-foot, 2-ton horned herbivore.

Did you know butterflies have no teeth? How do you think they eat? Check out this science worksheet to learn all about it.

This word search helps expand kids' animal vocabulary and introduces them to animals that live in shells, all while keeping them entertained.