In this science fair project, students investigate how different colors influence appetite.

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

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

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

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 project has students study the idea of human beauty.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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

This science fair project idea determines effective strategies to help students stay awake and attentive.

This science fair project idea assesses the effect of music on work performance.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

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!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

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

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

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.