Vectors vs. Scalars Most of the quantities used to describe motion can be categorized as either vectors or scalars. A vector is a quantity that is fully described by both magnitude and direction. A scalar is a quantity that is fully described by magnitude alone. Categorize the following quantities by placing them under one of the two column headings.

displacement, distance, speed, velocity, acceleration

Scalars Vectors

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2. A quantity that is ignorant of direction is referred to as a .

a. scalar quantity b. vector quantity

3. A quantity that is conscious of direction is referred to as a . a. scalar quantity b. vector quantity