The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Discover whether a metal will expand under hot water.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.