This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project idea investigates the hardness property of minerals.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Demonstrate how to tell the age of an egg without having to crack it open.

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

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Design a more versatile real estate website. Contact realtors and real estate websites for advice and further information. modify an existing design

This project examines which style of central-air system filter traps the most particles from the air.

This science fair project researches the most effective method to cut an onion and stay tear-free.

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.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.