Science Milestone Review

The diagram shows the arrangement of electrons in a neon atom. How many protons are present in this atom's nucleus?

• 10

• 8

• 2

• There is not enough information to answer this question.

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NGSS.MS-PS1-1

Elements with seven valence electrons —

• are highly reactive

• are highly stable

• have a high mass

• have a low mass

Sulfur is a nonmetal. Of the following, the physical characteristic that is most

likely to describe a sample of sulfur is —

• a shiny appearance

• brittleness

• malleability

• ductility

What Newtons law does this picture represent

• Newtons 2nd law 

• Law of gravity 

• Newtons 1st law

• Newtons 5th law

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

A unbalanced force means that an object is 

• zero net force

• changing its motion

• sitting still

• object at rest

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NGSS.MS-PS2-2

The girls in this picture represent ________ forces. 

• kinetic

• balanced

• unbalanced

• chemical

If I kick a soccer ball across the field, what vocabulary word tells me why the ball would slow down in the grass?

• friction

• acceleration

• gravity

In which section is the car undergoing positive acceleration?

• a to b

• b to c

• c to d

• d to e

• f to g

The slope of a Velocity - Time Graph gives the ______ of the object.

• acceleration

• velocity

• speed or velocity

• displacement

Check all that apply to the graph.

• moving away from the original position

• moving towards the original position

• object at rest

• positive acceleration

• negative acceleration