This science fair project idea examines which type of insulation holds in the most heat.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea examines whether people can decode scrambled messages.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

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

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project researches the most effective method to cut an onion and stay tear-free.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project idea produces varying pitches of sound.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This project concerns activity happening millions of miles away, on the sun.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

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