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.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

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

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

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

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

This science fair project idea discovers the effect of (high) heat on animal cells.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

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

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

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

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

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

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

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