Unit 5 Test Review

If I push on the wall with 75 Newtons of force, the wall will _____ back with _____ Newtons of force.

• Push

• Pull

• 75

• 0

Tags

NGSS.MS-PS2-1

Why is an atom considered uncharged or neutral?

• Because it is made up of neutrons

• Because electrons and protons are neutral

• Because they usually have equal numbers of electrons and protons.

• Because sometimes atoms have unequal numbers of electrons and protons.

What are two subatomic particles found in an atom (which have a charge)?

• Proton

• Electron

• Neutron

• Gluon

A(n) ​ (a)   changes from positive to negative due to a looped wire changing direction of motion, while a(n) (b)   flows in one direction.

• alternating current (AC)
• direct current (DC)

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Is the image a parallel or series circuit?

• Parallel

• Series

Is the image showing magnetic attraction or repulsion?

• Attraction

• Repulsion

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

A building collapsing: Balanced or Unbalanced force?

• Balanced

• Unbalanced

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NGSS.MS-PS2-2

As more light bulbs are added to a series circuit, what will happen?

• The current in each bulb will decrease

• The current in each bulb will stay the same.

• The bulbs will get brighter.

• The bulbs will get dimmer.

Which observations could best help a student compare the strengths of different magnets

• The shape of the magents

• The weight of the magnets

• The type of materials attracted by the magnets

• The distances objects are from the magnets when attracted.

Tags

NGSS.MS-PS2-3

What two factors affect the force of gravity exerted between two objects?

• Mass

• Distance

• Orbital paths

• Color

Tags

NGSS.MS-PS2-4