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Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Discover which fabrics shrink the most in the wash and why.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This science fair project idea demonstrates sonar mapping of the ocean floor.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

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

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.