In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project idea determines what household items are good conductors of electricity.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This science fair project idea determines if the color of light affects the growth of plants.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

In this experiment you will replicate the mummification process by making a hot dog mummy.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

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

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

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

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

This science fair project idea determines if the temperature of rubber effects how high it bounces.