Milestone Review Science

Which graph represents zero acceleration (constant velocity)?

• A

• B

• C

• D

As a sample of matter is heated, its particles ____. 

• are unaffected

• Move more quickly

• stop moving

• move more slowly

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The table shows the number of neutrons, protons, and electrons for two atoms. How are the two atoms alike?

• They have the same charge.

• They have the same mass number.

• They have the same atomic number

• They are atoms of the same element.

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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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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

Look at the pictures above. A shows the bag before the vinegar and baking soda are mixed together, and B shows it after they are mixed together. In which picture do the contents of the bag have the greater mass?

• The mass is greater in A—before they are mixed.

• The mass is greater in B—after they are mixed.

• The mass is the same in both.

• The mass depends on the temperature.

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In this model, which particle determines the reactivity of this atom?

• Particle W

• Particle X

• Particle Y

• Particle Z

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What law of motion does this picture represent?

• Newtons 1st law

• law of gravity 

• Newtons 4th law 

• Newtons 2nd law

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NGSS.MS-PS2-2

What Newtons law does this picture represent

• Newtons 2nd law 

• Law of gravity 

• Newtons 1st law

• Newtons 5th law

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