Science Milestone Review

According to Newton's second law of motion, ____.

•  F = m x v 

• F = m x a

• F = p x v

• F = p x a

Tags

NGSS.MS-PS2-2

For any object, the greater the force that's applied to it, the greater its ____ will be.

• acceleration

• velocity

• gravity 

• inertia

Tags

NGSS.MS-PS2-2

Lightning is ____. 

• a large discharge of static electricity

• buildup of neutrons

• a high-voltage electric current 

• harmless 

Each inner energy level of an atom has a maximum number of ____ it can hold. 

• electrons

• neutrons 

• quarks

• protons

Atoms of the same element with different numbers of neutrons are called ____.

• isotopes

• radioactive elements

• metalloids

• metals

A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is ____.

• 26

• 30

• 53

• 56

Which of the following best describes the velocity of an object?

• 30 m/s

• 30 m/s east

• 30 m/s²

• 30 m

What is the difference between the velocity and speed of an object?

• Velocity is the change in distance over time, while speed is the change in velocity over time.

• Velocity has a direction associated with it, while speed has no specific direction.

• Velocity is the change in speed over time, while speed is the change in distance over time.

• Velocity has no direction associated with it, while speed has a specific direction.

The diagram shows a graduated cylinder containing water. From which position will the most accurate measure of the volume of water be made?

• Position 1

• Position 2

• Position 3

• Position 4

Which graph represents zero acceleration (constant velocity)?

• A

• B

• C

• D