This science fair experiment idea's objective is to understand the general concept of an acid and a base.

The project investigates which soft drink is worse for your teeth by observing the affect of soft drink on limestone.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

This science fair project idea investigates whether air has mass and weight.

The project determines which type of birds prefer which type of birdseed.

Get a better understanding of water content by dehydrating carrots.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.