Practice Questions/Review for the Final

Front

What can occur if a lightning strike hits a human body?

Back

Cardiac arrest, seizures, brain injury, spinal cord damage, and amnesia.

Front

What weapon did Romans and Greeks use to launch stones from far distances?

Back

Catapults.

Front

How are charges created when two non-metal insulators are rubbed together?

Back

Charges are created by the transfer of electrons between the two insulators.

Front

What happens to a bulb when the switch is open and the circuit is not complete?

Back

The bulb will not light up.

Front

What is a complete electrical path called?

Back

Closed circuit.

Front

What is the role of electrons in creating static electricity?

Back

Electrons are transferred between materials, leading to charge imbalance.

Front

What is the difference between an open circuit and a closed circuit?

Back

An open circuit is incomplete and does not allow current to flow, while a closed circuit is complete and allows current to flow.

Front

What is cardiac arrest?

Back

A sudden loss of heart function, leading to loss of blood flow to the body.

Front

What is a catapult?

Back

A device used to launch objects at a distance, often used in ancient warfare.

Front

What is the significance of friction in generating static electricity?

Back

Friction causes the transfer of electrons, leading to charge accumulation.