In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

In this project, you will observe and record changes in sunspots over two weeks.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

This project determines how much the rebound rates of tennis balls change after ten games.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Help your kindergartener expand social studies and science work while creating this lovely bag clip for the holidays.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

This science fair project idea tests the efficiency of short term memory.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

This science fair project idea compares biodiversity between drops of water.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.