Porter 5g Science 2nd 9w Review 3 and 4 combined

Front

What type of energy is stored in a battery?

Back

Chemical energy is stored in a battery, which can be converted into electrical energy when needed.

Front

What happens to an object under balanced forces?

Back

An object under balanced forces is not moving or remains at rest.

Front

Which object is hardest for a magnet to hold?

Back

A large object is the hardest for a magnet to hold due to its greater mass and surface area.

Front

What does it mean for an object to be under equal force?

Back

An object under equal force is not moving or remains at rest.

Front

Which surface requires the least force to move a desk?

Back

A desk will take the least amount of force to move on tile compared to carpet.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons.

Front

What is friction?

Back

Friction is the force that opposes the motion of an object when it comes into contact with another surface.

Front

What is a magnet?

Back

A magnet is an object that produces a magnetic field and can attract or repel certain materials.

Front

What is force?

Back

Force is a push or pull on an object that can cause it to move, stop, or change direction.