PS Milestone Review Semester 1

When two equal and opposite forces are at work, what happens to motion?

• It increases
• It decreases.
• There is no motion.
• There is maximum friction.

When objects remain in the same place, it is called...

• gravity
• friction
• balanced force
• unbalanced force

Inertia is....

• for every action, there is an equal and opposite reaction
• larger objects take more force to move 
• an object in motion tends to stay in motion unless acted on by an opposite force
• a push that acts in the opposite direction and it slows down.

Tags

NGSS.MS-PS2-1

If a lizard can run 8m across the water in 4 seconds, how fast is he travelling?

• 32 m/s
• 2 seconds
• 2 m/s
• 34 meters

Tags

NGSS.MS-PS3-1

Person on the left = 45 N
Person on the right = 32 N
What is the net force?

• zero N
• 10 N
• 77 N
• 13 N

Tags

NGSS.MS-PS2-1

work transfers

• sweat
• energy
• velocity
• effort

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Energy can not be created or destroyed, only converted from one form to another.

• true
• false

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

WHICH OF THESE DESCRIBES THE LAW OF CONSERVATION OF ENERGY?

• NO MACHINE IS 100% EFFICIENT
• ENERGY IS NEITHER CREATED OR DESTROYED
• THE ENERGY RESOURCES OF EARTH ARE LIMITED
• THE ENERGY OF A SYSTEM IS ALWAYS DECREASING

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

WHICH OF THE FOLLOWING IS AN ENERGY CONVERSION FROM LIGHT ENERGY TO CHEMICAL ENERGY?

• TURNING ON A STOVE TO HEAT DINNER
• TURNING ON A LAMP
• GROWING AN APPLE TREE
• MAKING TOAST IN A TOASTER

Tags

NGSS.MS-LS1-6

The way in which heat moves through liquids and gases 

• convection 
• conduction 
• conductor
• radiator