Semester 1 Finals

Front

What is hydroelectric power?

Back

Power generated from moving water pushing turbine-driven generators, primarily from falling water.

Front

What is an example of a simple machine?

Back

Lever.

Front

Where is magnetic force strongest?

Back

At both poles of a magnet.

Front

What does a mechanical wave travel through?

Back

Matter.

Front

How do magnetic field lines behave around a bar magnet?

Back

They spread out from one pole and curve around to the other.

Front

What is the definition of a simple machine?

Back

A device that changes the direction or magnitude of a force.

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What is potential energy?

Back

Energy stored in an object due to its position or arrangement.

Front

What is kinetic energy?

Back

Energy of an object due to its motion.

Front

What is the difference between renewable and non-renewable energy sources?

Back

Renewable sources can be replenished naturally (e.g., solar, wind), while non-renewable sources cannot (e.g., fossil fuels).