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This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

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

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Explore the belief in astrology as a predictive system.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

The objective of this science project is to investigate patterns in fingerprints among family members.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Explore the neural and mental mechanisms at play in mental imagery.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.