This project determines how much the rebound rates of tennis balls change after ten games.

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

This experiment will explore whether adding different substances to a gel affects its strength.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

This science fair project idea explores whether dogs do look like their owners.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair project idea investigates the difference in reaction times between boys and girls.

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.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

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

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

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

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.