This economics lesson explores what influences producers to supply in regard to demand. It examines fixed and variable costs, how such costs can be reduced, and how they influence production. Includes printable worksheets.

In this instructional activity, students will learn about kites and gliders and how these models can help in understanding the concept of flight. Students will design and build their own balsa wood models and experiment with different...

Given investigation scenarios and lab procedures, students will identify independent variables, dependent variables, constants, and control groups.

Investigate the theory that including desert plants such as mesquite and cactus in a diet can help control obesity and diabetes. Design a scientific experiment that will test this hypothesis, using control variables, observation and...

Students conduct a simple test to determine how many drops of each of three liquids can be placed on a penny before spilling over. The three liquids are water, rubbing alcohol, and vegetable oil; because of their different surface...

Test the efficacy of different types of hand hygiene to stem the transmission of diseases by conducting an experiment using variables and a control group.