Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

In this science fair project, students make their own rain gauge to measure rainfall.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

This project is about after-images and what possibly affects them.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

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.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.