Physical Science Final Exam

Which subatomic particle changes what element an atom is?

• Protons

• Electrons

• Neutrons

What are valence electrons?

• Electrons on the outer shell

• Total electrons

• The most beautiful electrons of all

Tags

NGSS.MS-PS1-1

Where are electrons found in an atom?

• In the nucleus

• In the electron cloud

• Inside the protons

Is ice melting an example of a Physical or Chemical change?

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following IS NOT a clue that a chemical reaction has happened

• The substance starts bubbling

• The substance melts (on a hot day)

• The substance changes color

• The substance becomes cold to the touch

Tags

NGSS.MS-PS1-2

What happens when Carbon Dioxide is added to water?

• The water becomes more basic

• The water becomes more acidic

• Nothing

Which of the following is the equation for Newton’s second law of motion?

• Force = mass / acceleration

• Work = force X distance

• Power = work / time

• force = mass X acceleration

Tags

NGSS.MS-PS2-2

According to Newton’s 1st law, a moving object that is not acted on by an unbalanced force will

• eventually come to a stop.

• accelerate.

• remain in motion.

• change its momentum.

Which one is NOT a part of Newton's 1st Law?

• An object in motion remain in motion.

• An object at rest will remain at rest.

• An unbalanced force will change an objects motion.

• An object will never stop not matter what

Which is a common unbalanced force acting against applied forces?

• Friction

• inertia

• acceleration

• Momentum