Final Exam Review

Front

What is Newton's Third Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

What is heat?

Back

The movement of thermal energy from a substance at HIGHER temperature to a substance at a LOWER temperature.

Front

What does it mean when an object is at rest?

Back

An object is at rest when it is not moving and its position does not change over time.

Front

What is a balanced force?

Back

A balanced force occurs when two forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.

Front

What is a chemical change?

Back

A chemical change occurs when substances combine or break apart to form new substances, such as when enzymes digest food.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion, which depends on its mass and speed.

Front

What is potential energy?

Back

Potential energy is the stored energy of an object due to its position or state, such as a ball held at a height.

Front

What is the difference between physical and chemical changes?

Back

Physical changes do not alter the chemical composition of a substance, while chemical changes do.

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed; it can only be transformed from one form to another.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object, caused by the contact between two surfaces.