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!

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.

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.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

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

Help your child practice her counting as she makes this fun and festive holiday decoration!

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Encourage imagination and creativity with this magical craft that lets your child make and design his very own dragon egg.

Science fair project that cultivates slime mold and monitors the stages of its development.

From Canada's flag, to the Toronto Maple Leafs, to classic maple syrup cookies, the maple tree is very much a part of Canadian heritage.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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