This science fair project idea determines which flower lasts the longest.

This simple experiment serves as an introduction to the greenhouse effect.

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.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

This experiment investigates if stress alters body temperature.

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

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.