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What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

This science fair project idea identifies and understands adaptations in birds.

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

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea investigates how images are influenced by changes in light.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

This science fair project idea demonstrates how our fingers prune when in water.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

This science fair project idea explores substances that cause a bubble to last longer.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Science fair project that examines the biodiversity of ant populations in various locations.

In this project students experiment with making music using only glasses of water.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Make sourdough bread...and learn some colonial history and modern science in the process!

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.