No more energy can be removed from matter at:

• its freezing point
• 0°C
• absolute zero
• 273 K

Tags

NGSS.MS-PS1-4

Heat transfer occurs:

• in many directions
• both from warm objects to colder ones and from cold objects to warmer ones
• only from warm objects to colder ones
• only from cold objects to warmer ones

Tags

NGSS.MS-PS1-4

Observe the diagram. Which statement is true about the kinetic energy of the molecules in the containers?

• The molecules are moving faster in Diagram A

• The molecules are moving slower in Diagram A

• The molecules are moving at the same rate in both diagrams

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-4

A measurement of the amount of matter in an object. 

• Gravity
• Weight
• Mass
• Speed

Which of the following is the correct arrangement of particles in solid?

• Particles are widely separated from one another.

• The particles are packed slightly less closely together compared to a solid.

• The particles are packed closely together.

Which of the following factors do not affect the rate of evaporation?

• Temperature of the liquid

• Surface area of the liquid

• Depth of the liquid

• Draught/ movement of air

What happens when two forces act in the same direction?

• They cancel each other out.

• The stronger one prevails.

• Their strengths are added.

• Their sum divided by two is the total force.

Tags

NGSS.MS-PS2-2

When an object slows down it is considered...

• Positive Acceleration

• Final Velocity

• Negative Acceleration

• Hitting the brakes

Which is the CORRECT Reading?

• A

• B

• C

• ALL

Describe the motion of the object at letter B.

• at rest

• constant speed

• speeding up

• slowing down