This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

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

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

This project explores what happens to a rubber band when it is heated and cooled.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

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

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

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

Let your preschooler create something cute while making something delicious to eat: create bread sculptures, or shapes of bread dough!

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

This little chick is so cute that your child will want to make a whole flock to call her own.

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

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

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

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

In this science fair project, students examine how temperature affects sugar transport within a plant.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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