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What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

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.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

This experiment will examine and precisely measure the amount of sugar in various sodas.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair experiment examines the relationship between gender, age, and smiling.

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

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

This science fair project idea examines whether boys and girls differ in reflexes.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

Discover which fabrics shrink the most in the wash and why.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

This science fair project idea will be examining oxidation and acid rain

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.