Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Construct batteries that make electricity from fruits with this fun science fair project.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores the different properties of matter.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea determines the most effective method of preserving food.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

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

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

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.