Review #3 24-25 Flashcard

Front

What is a circuit?

Back

A circuit is a closed path through which electric current flows, typically including a power source, wires, and a load like a light bulb.

Front

How can you turn on a light bulb in a circuit?

Back

You can turn on a light bulb by closing the circuit, usually by pushing down a switch.

Front

What happens when a switch in a circuit is closed?

Back

When a switch is closed, it completes the circuit, allowing electricity to flow and power devices like light bulbs.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object, causing it to slow down or stop.

Front

What factors affect the force of friction?

Back

The force of friction is affected by the surfaces in contact and the weight of the objects.

Front

What is magnetism?

Back

Magnetism is a force that can attract or repel certain materials, like iron, and is produced by moving electric charges.

Front

What is the strongest type of magnet among a bar, disc, and rod?

Back

The bar is typically the strongest magnet, while the disc is weaker, and the rod may not be magnetic at all.

Front

What is the role of gravity?

Back

Gravity is a force that pulls objects toward each other, such as the Earth pulling objects toward its center.

Front

What is the difference between a conductor and an insulator?

Back

A conductor allows electricity to flow easily, while an insulator resists the flow of electricity.

Front

What is a battery?

Back

A battery is a device that stores chemical energy and converts it into electrical energy to power circuits.