This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Determine which video game elevates the heart rate best and burns the most calories.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

This science fair project investigates what type of cookie sheet bakes the best cookies.

Science fair project that tests whether cats have a preference for organic food.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

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

This science fair project idea discovers the principle of conservation of mass.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

This project explores differences in people's reactions to images in color and images in black and white.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Evaluate if people are more influenced by video or audio advertising.

This project explores whether music affects the growth and health of plants.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

The objective of this science fair project is to understand how to stop the oxidation process from occurring in guacamole.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

This science fair project idea determines which method of hand cleansing is the most effective.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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