Energy Unit Pre-test 1

which of these is not a part of the electrical system?

• The electrical grid (wires)

• the source

• the source converter

• an engineer

How does heat move between objects?

• from the warmer to cooler object

• from the cooler to warmer object

• it doesn't move at all

which form of electricity travels through wires?

• Electricity

• sound

• light

• thermal

which form of energy flows from warmer objects to cooler objects?

• sound

• heat

• light

• electricity

objects electricity CANNOT move through easily are known as

• potential

• conductor

• insulators

• kinetic

which TWO forms of energy are could be the output of a lightbulb?

• electricity

• light

• sound

• thermal

the ability to do work or cause change is known as

• electrical systems

• engineering practices

• energy

• light

which device converts energy from one form to another

• wires

• converter

• the source

• cherry pitter

objects electricity can move through easily are known as

• conductor

• insulator

• potential

• kinetic

where does most of earths energy come from?

• the sun

• the moon

• we make it