Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.