8th grade science Unit 1 Vocabulary

Question 1

Motion

Answer 1

Object that changes position relative to reference point.

Question 2

Reference point

Answer 2

Indicator that orients you. Compare distance or position to. X-axis on D/T graph.

Question 3

Scalar Measure

Answer 3

A measure that consists of a Magnitude and a unit. Distance, Time, Temperature, speed, length, area, volume, mass, density, pressure, energy, power.

Question 4

Vector measure

Answer 4

A measure that consists of a Magnitude, Unit , and a direction.
Displacement, position, motion, temp. change, velocity, acceleration, momentum, force, drag.