Science Chapter 3

Which of these materials is a conductor?

• rubber

• chalk

• gold

• glass

Electric current can't flow in a series circuit if ________________

• there is a break in the circuit

• the circuit has an insulator

• the circuit has a charge

• the circuit has only one loop in it

What will happen in a parallel circuit if one of the loops is broken?

• the current will not flow

• the current will still flow through the broken loop

• the current will still flow through the unbroken loops

• the current will stop

Which is an example of transforming electricity into motion energy?

• washing machine

• water bottle

• wire fence

Which of the following caused by movement?

• resistor

• friction

• conductor

• filament

Is a power cord a good insulator?

• yes

• no

Are boots with rubber soles a good insulator?

• yes

• no

Are power lines with glass on top a good insulator?

• yes

• no

Which transforms electricity into heat?

• toaster

• a car engine

• a gas stove

• a wind turbine

What charge do particles in atoms have?

• negative

• no charge

• positive

• negative, positive, no charge