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Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project idea determines the most effective method of preserving food.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Students usually study for spelling tests by looking over the words and spelling them out loud. Here's a spelling game that gets the whole family involved!

Here's a fun game that you can play at home to get your child thinking about prefixes and suffixes.

Kids practice their writing composition skills as they cut and paste nutsy headlines from old newspapers and write silly articles to go with them.

Is it a bird? Is it Superman? No, it's your third grader's homemade miniature plane zooming across the room on a zip line.

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

Playing doctor is not only fun, it's also a way to teach kids about the parts of the body and how they are spelled.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This science fair project idea raises awareness of a real ecological issue.

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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Explore the belief in astrology as a predictive system.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

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.