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Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

People have favorite flavors, but what about ants? Which ant food is the most popular?

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

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

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

This project examines whether and what associations exist between numbers and letters and colors.

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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.

This science experiment tests if dog saliva can really help heal wounds.

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.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Here's one way to recycle: turn a tuna can into a mini barbecue and teach your child the power of resourcefulness!

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.