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Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

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

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

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

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.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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

Find out whether putting something on top of a plant will inhibit its growth.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

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

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.