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

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea discovers the average time it takes for a person to remember something completely.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Get a fun science fair project idea for high school students on the basic and current information on the process of propulsion.

This science fair project idea compares the cuteness reaction between genders.

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

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

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

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This experiment explores whether caffeine improves athletic performance.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

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.

Determine which metal has the highest rate of conductivity.

In this project, a mnemonic is used to test how it increases memory.

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

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.