PS Unit 6 Review

How does the total momentum of two objects before a collision compare with the total momentum after the collision?

• It is the same.

• It is less.

• It is equal to zero.

Tags

NGSS.HS-PS2-2

Speeding up, slowing down, and changing direction is best described as

• speed

• distance

• acceleration.

The slope of a line on a distance-time graph is

• distance.

• time

• speed

During which section of the graph above (Figure 1-1) is the person NOT moving at all?

• O-A

• C-D

• E-F

Tags

NGSS.MS-PS3-1

During which section is the person going back the way they came?

• B-C

• O-A

• A-B

Tags

NGSS.MS-PS3-1

Moving from 0 m/s to 25 m/s in 8.0 s equals an average acceleration of ____.

• 0.312 m/s.

• 0.312 m/s^2.

• 3.12 m/s^2.

On a velocity vs. time graph, what shows the value of the acceleration?

• the slope of the line

• the y-axis

• the x-axis

Which of the following gives evidence for plate tectonics?

• magnetic alignment of oceanic rock

• cooling molten rock

• the age of Earth’s crust

Tags

NGSS.MS-ESS2-3

The location on Earth’s surface where most earthquake damage occurs is called the ________.

• focus.

• epicenter.

• vent.

Tags

NGSS.MS-ESS3-2

Longitudinal waves are called primary waves because they ________.

• are shaped like a “P.”

• reach recording stations first.

• only move across Earth’s surface.