Review #3 24-25 Flashcard

Front

What is a circuit?

Back

A circuit is a closed path through which electric current flows.

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, slowing it down.

Front

How does friction affect a rolling ball?

Back

Friction pushes against the rolling ball, slowing it down.

Front

What is magnetism?

Back

Magnetism is a force that can attract or repel certain materials, like iron.

Front

What is a magnet?

Back

A magnet is an object that produces a magnetic field, attracting certain metals.

Front

What are the three types of magnets?

Back

The three types of magnets are permanent magnets, temporary magnets, and electromagnets.

Front

What is gravity?

Back

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

Front

How can you change the speed of falling sand in an hourglass?

Back

You can change the speed by holding the hourglass at an angle.

Front

What is the role of a battery in a circuit?

Back

A battery provides the electrical energy needed to power the circuit.