Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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 cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this science fair project, students make their own rain gauge to measure rainfall.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project idea experiments with spinning color wheels and optical illusions.