Science

Question 1

What is motion?

Answer 1

A change in an object’s position over time compared to a reference point.

Question 2

What is a reference point?

Answer 2

A place or object used to tell why something is moving.

Question 3

What is displacement?

Answer 3

The moving of something from its place or position.

Question 4

How is speed defined?

Answer 4

How fast something moves (distance = time).

Question 5

What is constant speed?

Answer 5

Speed that always stays the same.

Question 6

What is changing speed?

Answer 6

Speed that goes faster or slower.

Question 7

What is average speed?

Answer 7

Total distance divided by total time.

Question 8

What is instantaneous speed?

Answer 8

Speed at one moment (speedometer).

Question 9

What is velocity?

Answer 9

Speed in a specific direction.

Question 10

What is momentum?

Answer 10

Mass x velocity (how hard it is to stop).

Question 11

What is acceleration?

Answer 11

Change in speed or direction.

Question 12

What is centripetal acceleration?

Answer 12

Acceleration towards the center of the circle.

Question 13

What is projectile motion?

Answer 13

The curved path of something thrown.

Question 14

What is horizontal motion?

Answer 14

Movement side to side.

Question 15

What is vertical motion?

Answer 15

Movement up and down.

Question 16

What is slope?

Answer 16

Steepness of a line (rise over run shows speed on a graph).