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

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

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.

This science fair project idea investigates food preference of birds.

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.

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

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

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

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

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

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.

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

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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 studies how perfumes are made in order to determine how we can capture a scent.

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

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Determine which metal has the highest rate of conductivity.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

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

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

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