Discover how and which salt melts ice the quickest.

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Science fair project that determines whether mass and weight are the same or different.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

This project investigates the affect of storage temperature on microwave popcorn.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

This science fair project idea produces sounds by creating vibrations using different objects.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This science fair project idea compares biodiversity between drops of water.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!