This science fair project idea demonstrates that plants give off water.

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

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

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

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

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 color affects temperature.

In this science fair project you will make a model of a cell membrane using very simple material.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

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

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

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

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

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea explores the egg's thin membrane.

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea explores how length affects the weight a bridge can hold.

Explore if planting seeds in a certain direction will affect how fast it germinates.