Explore the wattage of microwaves in relevance to cooking time.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

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

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

The objective of this science project is to determine the length of time for different seeds to germinate.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

This experiment explores how listening in to a one-sided conversation affects concentration.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This basketball project explores the best way to make the perfect shot every time.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Test out various brands of permanent markers to see which one is least water soluble.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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.