The difference between speed and velocity
2 marks · NormalExplain why velocity is a vector quantity but speed is a scalar quantity.
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Velocity has both magnitude and direction; speed has only magnitude.
Also accept: Velocity includes direction, speed does not.
Common mistakes: Confusing direction for both
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Marking points
B1 · 1 mark · States velocity has size and direction.
B2 · 1 mark · States speed has only size (magnitude).
Worked solution
Velocity is a vector because it gives both how fast and in what direction an object moves. Speed only gives how fast; it has no direction.