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Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

This science fair project idea designs safe bicycle routes using GPS.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

In this project students experiment with making music using only glasses of water.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

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

This science fair project idea produces sounds by creating vibrations using different objects.