Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

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

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Discover which battery composition (type) lasts the longest.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

The objective of this experiment is to evaluate which types of people are most impacted by the McCollough effect.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea identifies trees using a dichotomous key.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

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

This science fair project idea demonstrates sonar mapping of the ocean floor.

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

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 compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

This science fair project examines the different composition of fungi and plants.