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In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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.

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.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

Science fair project that tests whether cats have a preference for organic food.

Discover which method for odor removal words the best for stifling refrigerator odors.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

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

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

This science fair project idea produces consumable fresh water from salt water through desalination.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.