Science CA Review

Front

What is electricity?

Back

Electricity is a form of energy resulting from the flow of electric charge, often used to power devices and appliances.

Front

What is a closed circuit?

Back

A closed circuit is a complete electrical loop that allows current to flow, enabling devices to operate.

Front

What is a bar magnet?

Back

A bar magnet is a permanent magnet that produces a magnetic field without the need for electricity.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that generates a magnetic field when an electric current passes through it.

Front

What is magnetic field strength?

Back

Magnetic field strength refers to the intensity of the magnetic field produced by a magnet or electromagnet.

Front

How can you magnetize a nail?

Back

A nail can be magnetized by exposing it to a strong magnetic field or by passing an electric current through it.

Front

What is the difference between electrical energy and mechanical energy?

Back

Electrical energy is the energy of electric charges, while mechanical energy is the energy of motion or position.

Front

What is wind energy?

Back

Wind energy is the energy obtained from the movement of air, often harnessed using wind turbines.

Front

What is solar energy?

Back

Solar energy is the energy harnessed from sunlight, often converted into electricity using solar panels.

Front

What factors affect magnetic field strength?

Back

Factors include the type of material, thickness, and distance from the magnet.