This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Cleaning can be a chore, but not with this sudsy experiment!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Using a toy race car kids create a visual model of the Doppler Effect.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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

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.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Find out whether putting something on top of a plant will inhibit its growth.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Find out which kind of bubble wrap fares best when put in impact.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This project examines whether people's taste perception is influenced by what they see.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Discover how and which salt melts ice the quickest.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This project compares the strength of one, two, and three-ply toilet paper.