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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.

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

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

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

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

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

Head out to the driveway, ball in hand, for a bouncing challenge. Then use those results to make a colorful graph that lets your child compare results.

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

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

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!

This project concerns activity happening millions of miles away, on the sun.

Gather the neighborhood children together and practice graphing with this backyard tournament!

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.

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 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 experiment will explore the best way to create a perfect soft-boiled egg.

Determine which metal has the highest rate of conductivity.

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

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

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

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.