This science fair project idea produces varying pitches of sound.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea explores whether color affects a person's emotional state.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

This science fair project idea explores which fruit molds the fastest.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

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

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

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

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

This science fair project will help students learn about non-vascular plants, such as mosses.