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This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea demonstrates that plants give off water.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

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?

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this experiment you will replicate the mummification process by making a hot dog mummy.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.