Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

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

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Construct and experiment with a periscope using reflected light rays to gather an image.

Examine the effect of pressure on carbonation in soda.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.