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Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

This science project allows students to study the psychology of happiness.

This science project challenges high school students to study the linguistic evolution of text messaging.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

This experiment examines if space objects become round after reaching a certain mass.

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

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea investigates how color affects temperature.

This science fair project idea determines if the color of light affects the growth of plants.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

The purpose of this science fair project is to build a basic radio.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

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

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

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!