Explore scientific concepts with this experiment that introduces kids to the scientific method!

This science fair project idea experiments with spinning color wheels and optical illusions.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This science fair project idea explores whether talking to a plant will help it grow.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

How powerful is the reaction between baking soda and vinegar? Find out here!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

This science fair project idea produces varying pitches of sound.

Learn with makes water molecules work with this fun and easy science activity!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.