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

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

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

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.