Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

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

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

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

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?

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

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.

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

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

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

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

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

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

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.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

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

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

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

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.

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

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

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

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.

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