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

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

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

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

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.

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

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.

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!

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

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.

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.

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.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

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

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

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

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.

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.

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

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!

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

Analyze this simple betting game with your fourth grade student in order to discuss probability.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

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

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.

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