Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Check out this fun science project to explore the relationship between solubility, drug absorption, and time required for a drug effect to become apparent.

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

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

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

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

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

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