7 - Lesson 23 & 24 Phase Changes

At high temperatures, the particles of matter

• move very sowly

• move very quickly

• stick together

• move in circular patterns

Tags

NGSS.MS-PS1-4

Which of the following has more thermal energy?

• a cup full of warm water

• a bucket full of warm water

• a pond full of cool water

• a bottle of hot water

Tags

NGSS.MS-PS1-4

How is thermal energy transferred between two objects?

• The objects must be covered in liquid to transfer energy

• The particles of the object must collide and transfer their energy

• The temperature between the two objects must be the same

• The particles must reach a certain temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Thermal energy that is transferred from a warmer object to a cooler object is called _________

• evaporation

• motion

• temperature

• heat

Tags

NGSS.MS-PS1-4

What usually happens to a solid when its particles gain enough thermal energy?

• The solid begins to melt

• The solid begins to condense

• The solid begins to evaporate

• The solid begins to sublimate

Tags

NGSS.MS-PS1-4

What usually happens to a liquid when its particles gain enough energy to break away?

• The liquid begins to cool

• The liquid begins to condense

• The liquid begins to evaporate

• The liquid begins to sublimate

Tags

NGSS.MS-PS1-4

(SELECT ALL THAT APPLY) Substances that sublimate....

• change from a solid to a gas

• do not enter a liquid state at all

• do not melt when they gain thermal energy

• all of these are true

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of these is NOT one of the three most common states of matter?

• gas

• liquid

• solid

• steam

The state of matter of a substance is determined by

• the arrangement and motion of its particles

• the number of particles

• the shape of the container holding the substance

• the size of the container holding the particles

Tags

NGSS.MS-PS1-4

Ice is a solid because the atoms or molecules

• vibrate in place

• are unable to move freely

• are closely packed and touching

• all of these are true

Tags

NGSS.MS-PS1-1