In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Construct batteries that make electricity from fruits with this fun science fair project.

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.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.