Physics Winter Final 2025

Front

Finish Newton's third law: For every action, there is an ______

Back

equal and opposite reaction.

Front

What causes a balloon to stick to a wall after being rubbed against a cloth?

Back

The balloon sticks to the wall after gaining a negative charge (electrons) from the cloth.

Front

What do we call the flow of electricity around a circuit?

Back

electric current.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter; weight is the force of gravity on that mass.

Front

The switch is open and the circuit is not complete. Will the bulb light up?

Back

No, the bulb will not light up.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N).

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

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 an insulator?

Back

A material that does not allow electricity to flow through it easily.

Front

What is the difference between a conductor and an insulator?

Back

A conductor allows electricity to flow easily, while an insulator does not.