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.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

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.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Learn whether writing things down really makes things easier to remember.

Is your child a young ornithologist in the making?

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

In this science fair project, young children notice and track changes in trees throughout the year.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

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