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Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

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

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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

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

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Think about the adaptive utility of an important aspect of our physiology.

Use a dichotomous key to identify plants or animals.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

This science fair project idea experiments with spinning color wheels and optical illusions.

Explore the relationship between personality traits and birth order effects.

This science fair project idea discovers the principle of conservation of mass.

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

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

This science fair project idea explores the different properties & interactions of sugar molecules.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.