What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

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.

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

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Examine the effect of pressure on carbonation in soda.

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

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.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

This science fair project investigates why the number of visible stars changes from place to place.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

In this project students experiment with making music using only glasses of water.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science fair project idea explores the egg's thin membrane.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project idea determines which method of hand cleansing is the most effective.

This science project teaches students to classify different shapes of leaves.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!