Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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

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

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

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.

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This science fair project idea investigates food preference of birds.

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

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

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

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

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.

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

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This project examines the concentration of dissolved oxygen in water, with and without oil.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

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