Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science research project challenges students to think of more effective lobster farming methods.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!