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Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This experiment explores whether caffeine improves athletic performance.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This science fair project idea uses the process of chemical weathering to change a mineral.

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

Investigate which substances are most effective at removing salt from water.

This science fair project idea explores the different properties & interactions of sugar molecules.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

This science fair project idea investigates how different disinfectants work in killing germs.