This project compares the strength of one, two, and three-ply toilet paper.

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.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea explores substances that cause a bubble to last longer.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

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

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

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science research project challenges students to think of more effective lobster farming methods.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Do you think heat can affect a plant's growth rate?

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Make a backbone model to explore human anatomy and life science.