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.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

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

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

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

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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.

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

This science fair project idea explores whether talking to a plant will help it grow.

Learn about the factors that influence group conformity.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This project examines whether and what associations exist between numbers and letters and colors.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

This science fair project determines the quality of a given product.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.