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This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This science fair project idea measures physical dexterity as a function of temperature.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

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

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

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.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

The objective of this experiment is to evaluate the effects of acid rain on plants.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea studies past and current fads and trends.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.