Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

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

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Get your child excited about measuring with this fun and easy household measurements activity.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Explore the wattage of microwaves in relevance to cooking time.

This project compares different liquids and the freezing, melting and boiling points of liquids.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

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

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

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

Examine the connection between temperature and chemiluminescence.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

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 homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This science fair project explores how salt and sugar affect the melting rate of ice in water.