Understanding Light and Its Applications

______ is a type of energy. It's made up of waves that travel from a light source.

How does light travel into our eyes?

• It bounces off surface and enters our eyes

• Our eyes see all types of light

• Light travels directly into our eyes?

• Our eyes can't see light

How does a traffic light use light to communicate with people?

What is the purpose of the light from a lighthouse?

• to guide aquatic animals at night

• to guide ships safely away from rocks

• to send messages to ship at sea

• to bring ships to shore

______ is a type of energy. It is created when something vibrates.

What are examples of sounds communicating important information?