Physical Science Practice Exam

How much force is needed to accelerate a 3kg skateboard at 5m/s^2.

• 8N

• 1.6N

• 0.6N

• 15N

Tags

NGSS.MS-PS2-2

Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.

• 18 J

• 36 J

• 12 J

• 6 J

Tags

NGSS.MS-PS3-1

Matter changes state when...

• energy is added or removed

• energy is added

• energy is removed

• there is no energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which is needed for both boiling and melting to occur?

• solids

• gases

• heat

• pressure

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following graphs represents pressure versus volume (V) for a real gas at a constant temperature

• A

• B

• C

• D

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

• The pressure will increase

• The pressure will decrease

• The pressure will remain constant

• The pressure will equalize

Tags

NGSS.MS-PS1-4

What type of substance is shown?

• compound

• heterogeneous mixture

• homogeneous mixture

• element

Why do elements form bonds?

• to get a charge

• so they can make friends

• to become stable by getting a full valence shell

• to become stable by increasing their mass

How many electrons would a Calcium ion gain/lose?

• lose 1

• gain 1

• lose 2

• gain 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which equation is balanced?

• PbO₂ + 2H₂--> H₂SO₄

• SO₂ + H₂0 --> H₂SO₄

• 2Na + 2H₂O --> 2NaOH + H₂

• 2Na + 2H₂O --> 2NaOH + H

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5