This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

The objective of this science project is to investigate patterns in fingerprints among family members.

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

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

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

Investigate which substances are most effective at removing salt from water.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.