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

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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

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

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.

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea examines whether boys and girls differ in reflexes.

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

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

Use pepper and soap to discover some fun facts about the properties of water.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Plants and light seem to be good buddies, but how far does the friendship really go?

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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

This science fair project idea explores whether talking to a plant will help it grow.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!