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In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This project examines how temperature affects the volume of gas in balloons.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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 project concerns activity happening millions of miles away, on the sun.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

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

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Stringy orange ghoul guts are actually a healthy and gross-looking appetizer for your child's Halloween party.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Explore the wattage of microwaves in relevance to cooking time.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

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!

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

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

This project explores whether music affects the growth and health of plants.