Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

This science fair project investigates why the number of visible stars changes from place to place.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Plant a mini herb garden and teach your child about science and nature.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Children use their design thinking skills and powers of observation to create and construct a bird nest.

This preschool activity uses paint chips to help your child learn about different shades of colors and how to find different colors in nature.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

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

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Check out this cool science fair project on identifying rocks and minerals for kids.

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Help your child learn about animal classification with this fun and delicious activity.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Start thinking about how the internet works by assembling an Ethernet cable of your own!

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

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.

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

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.