In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this experiment we will be determining whether birds prefer certain colors of seed.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Demonstrate how to tell the age of an egg without having to crack it open.

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

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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?

Find out which type of sponge holds the most water.

This science fair project idea investigates whether plants can survive being frozen.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Do different types of oil mix or stack? Find out in this science fair project idea!

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

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

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea investigates how the shape of an object affects drag.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.