This science fair experiment examines the relationship between gender, age, and smiling.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

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.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project examines whether ocean water can be made safe to drink.

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

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

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

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This science fair project idea tests the efficiency of short term memory.

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

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

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

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

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

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This project investigates the affect of storage temperature on microwave popcorn.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

This experiment investigates whether smell can be used to enhance test subjects' memories.

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.