Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Examine the connection between temperature and chemiluminescence.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

The project determines which laundry detergent is best for cleaning clothes.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

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

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

This science fair project idea explores the different properties & interactions of sugar molecules.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

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

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

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.