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!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

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 project compares the strength of one, two, and three-ply toilet paper.

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

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

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

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

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

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.

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

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!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!