Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

This science fair project idea discovers the effect of (high) heat on animal cells.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

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

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

This science fair project idea investigates if fats add to the flavor of food.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Science fair project that compares tap water and bottled water for the presence of common impurities.