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This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

This science project researches the correlation between barometric pressure and wind velocity.

Do different types of oil mix or stack? Find out in this science fair project idea!

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

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.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

This project examines whether humans can intuitively grasp numeric values greater than three.

This science fair project idea investigates how the shape of an object affects drag.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

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

Discover whether people can distinguish what a person looks like just by listening to their voice.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!