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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

What happens when colored beams of light mix? You might be surprised.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

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

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

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.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Will the shape of an ice cube impact how fast the ice melts?

This simple experiment serves as an introduction to the greenhouse effect.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

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

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!