IAPS Force and Motion Key Science Vocabulary

Question 1

Someone who uses science and tools to build a product that solves a practical problem.

Answer 1

Engineer

Question 2

The rate at which an object moves, equal to the distance traveled per time interval.

Answer 2

Speed

Question 3

A quantity that describes both speed and direction.

Answer 3

Velocity

Question 4

The total distance an object travels divided by the amount of time it took the object to travel that distance.

Answer 4

Average Speed

Question 5

The energy an object has because of its motion.

Answer 5

Kinetic Energy

Question 6

Something that happens in a repeated and predictable way.

Answer 6

Pattern

Question 7

To change speed and/ or direction per unit time.

Answer 7

Accelerate

Question 8

When the magnitude and direction of more than one force acting on an object results in zero net force.

Answer 8

Balanced Force

Question 9

A push or a pull.

Answer 9

Force

Question 10

When the magnitude and direction of more than one force acting on an object give a net force unequal to zero.

Answer 10

Unbalanced Force

Question 11

The combined force (magnitude and direction) acting on an object.

Answer 11

Net Force

Question 12

The change in speed and/ or direction per unit time.

Answer 12

Acceleration

Question 13

The SI unit of measurement for force.

Answer 13

Newton (N)

Question 14

A property of matter by which it remains at rest or in unchanging motion unless acted on by some external force.

Answer 14

Inertia

Question 15

A force that exists at the boundary between any two pieces of matter that are in contact with each other.

Answer 15

Friction

Question 16

In engineering design, some - thing that limits the solution to a problem.

Answer 16

Constraint

Question 17

A minimum requirement for how the design must function.

Answer 17

Criteria

Question 18

A group of interacting objects or processes. Every system includes components, interactions, and boundaries.

Answer 18

System

Question 19

The distance a vehicle travels from the moment the driver applies the brakes until the vehicle comes to a complete stop.

Answer 19

Braking Distance

Question 20

The distance a car travels during the reaction time.

Answer 20

Reaction Distance

Question 21

The time interval between the moment a driver realizes a problem and when the driver applies the brakes.

Answer 21

Reaction Time

Question 22

The total distance a vehicle travels during the driver’s effort to bring the vehicle to a halt; distance traveled during the driver’s reaction time plus the braking distance.

Answer 22

Stopping Distance