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This science fair project idea determines which flower lasts the longest.

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

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.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This experiment investigates if stress alters body temperature.

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

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Do you think heat can affect a plant's growth rate?

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This project explores what happens to a rubber band when it is heated and cooled.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

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

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Determine whether the application of Febreeze will lower the bacterial count.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.