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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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 experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.