In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

This project determines what category of person is most likely to be ticklish.

This project investigates the affect of storage temperature on microwave popcorn.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This basketball project explores the best way to make the perfect shot every time.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

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

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This experiment tests which gender is better at catching how a magician performs his tricks.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This project explores ways to prevent static electrical shocks.

Using a toy race car kids create a visual model of the Doppler Effect.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Here's a science activity to help your child investigate how seeds are designed to travel.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.