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

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

This project examines whether and what associations exist between numbers and letters and colors.

This science fair project idea produces consumable fresh water from salt water through desalination.

Science fair project that determines whether mass and weight are the same or different.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

In this fun experiment, we'll find out how color affects heat absorption!

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Explore whether pianists have the tendency to type faster than non-pianists.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Teach your preschooler some physics that she can relate to with this fun and simple activity!