This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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

Discover how and which salt melts ice the quickest.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

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

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

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

In this fun experiment, we'll find out how color affects heat absorption!

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

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

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

How do organic materials become soil? This science experiment measures what materials biodegrade.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?