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This science fair project idea measures physical dexterity as a function of temperature.

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

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

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

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Test your skills as a weather forecaster, and learn some science terms on the way!

Discover which fabrics shrink the most in the wash and why.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.