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

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This science fair project idea produces varying pitches of sound.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This science fair project teaches students about wilting and browning of salad greens.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Have your child kick off their summer vacation by making a miniature water slide!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Science fair project that uses distillation to convert salt water into fresh water.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

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.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!