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

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

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

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.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

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