IN.CS. Content Standards
3.1. Physical Science
3.1.4. Investigate how light travels through the air and tends to maintain its direction until it interacts with some other object or material.
3.1.5. Observe and describe how light is absorbed, changes its direction, is reflected back and passes through objects. Observe and describe that a shadow results when light cannot pass through an object.
3.1.6. Describe evidence to support the idea that light and sound are forms of energy.
3.4. Science, Engineering and Technology
3.4.2. Define the uses and types of simple machines and utilize simple machines in the solution to a "real world" problem.