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?

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

Find out whether putting something on top of a plant will inhibit its growth.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

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

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

Learn whether writing things down really makes things easier to remember.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This project examines the concentration of dissolved oxygen in water, with and without oil.

This experiment investigates if stress alters body temperature.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

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

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

Science fair project that compares tap water and bottled water for the presence of common impurities.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!