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The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

The goal of this project is to create an exciting topographical map out of dough.

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

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.