Unit 2 Vocabulary

A closed circuit....

• Will not allow electricity to flow through

• Will not work properly

• Will allow electricity to flow

• Is when a circuit is created with an insulator

An open circuit...

• Will allow electricity to flow through it

• Will allow properly and everything will work

• Has something disconnected and will not allow anything to flow through

• Is when only a lightbulb and battery is used

Light Energy is..

• Produced by vibrations

• Involves movement

• Energy that we can see

• Energy that we can feel

Mechanical Energy is..

• Energy that we can see

• Produced by vibrations

• Involves movement

• Energy that involves heat

Sound energy is..

• Energy produced by rays we can see

• Energy produced by vibrations

• Involves movement

• Involves heat

Electrical energy is..

• Energy that is produced by vibrations

• Energy that is produced by heat

• Energy that involves movement

• Energy that has an electrical charge

Thermal energy is..

• Energy that is produced by heat

• Energy that is produced by vibrations

• Energy that is produced by rays

• Energy that is produced by an electrical charge

Medium is...

• Light rays we can see

• Energy we can feel

• Matter that light travels through

• Matter that light does not travel through

Refraction is..

• When light bounces off

• What light travels through

• What light does not travel through

• When light bends

Reflection is..

• What light travels through

• When light bends

• When light is absorbed

• When light bounces off