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This experiment investigates if small changes in your diet can alter your basal body temperature.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

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.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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

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

Can cells be frozen? This science fair project provides information to answer this question.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Science fair project that tests whether cats have a preference for organic food.