Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

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

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.

Find out whether putting something on top of a plant will inhibit its growth.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

In this experiment you will evaluate whether praise improves athletic performance.

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 experiment has students test whether a snail moves faster on concrete or dirt.

In this science fair project, students test how objects float and sink in liquids of different densities.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

This science fair project idea assesses the effect of music on work performance.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

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

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

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

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

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

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

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.