This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science fair project teaches students the differences between fruits and vegetables.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

The goal of this project is to create an exciting topographical map out of dough.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

Science fair project that designs a video game that requires players to use relevant skills.

This science project teaches students to classify different shapes of leaves.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This experiment examines if space objects become round after reaching a certain mass.

This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.

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.

This project compares different liquids and the freezing, melting and boiling points of liquids.

This project examines whether humans can intuitively grasp numeric values greater than three.

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.

In this science fair project, students test how objects float and sink in liquids of different densities.

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

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.