Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Examine the impact of insecticides on plant growth.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Determine which video game elevates the heart rate best and burns the most calories.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

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

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

This science fair project idea determines if the color of light affects the growth of plants.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

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

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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.