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This science fair project idea examines which type of insulation holds in the most heat.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

Make a spring collage with your child to get them outside and those creative juices flowing!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this science fair project, young children notice and track changes in trees throughout the year.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

Make frog feet sponge prints with your child for a fun and educational crafts activity.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!