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Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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.

Examine the effect of pressure on carbonation in soda.

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

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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

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

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

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

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.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

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

This science fair project teaches students about wilting and browning of salad greens.

Find out which kind of bubble wrap fares best when put in impact.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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!