Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

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

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

How powerful is the reaction between baking soda and vinegar? Find out here!

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

Test out various brands of permanent markers to see which one is least water soluble.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

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

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

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

This project involves the development of a website using free software online to promote the value of science.

Examine the effect of pressure on carbonation in soda.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea explores whether color affects a person's emotional state.

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

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

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

This science fair project idea investigates if fats add to the flavor of food.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.