Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Find out which type of sponge holds the most water.

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

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 demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

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

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

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

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.