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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

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

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

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

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

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.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

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

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project investigates what type of cookie sheet bakes the best cookies.

Take a dive into the candy jar with this yummy science experiment.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.