Phase Changes Lesson

Water is liquid but it is also a substance that can be more than one type of matter. How can water be transformed into solid? (one word)

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Clothes drying on a clothesline is a example of what phase change?

• condensation

• evaporation

• freezing

Tags

NGSS.MS-PS1-4

Liquid turns into vapour when heated. What is the boiling point of water?

• 80^oC

•  90^oC

• 100^oC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

A candle drips wax on the table. This is an example of what phase change?

• sublimation  

• deposition  

• condensation

• melting

Tags

NGSS.MS-PS1-4

The phase change that converts a solid directly to a gas is also known as

• sublimation

• deposition

• melting

• vaporization

Tags

NGSS.MS-PS1-4

When vaporization occurs only at the surface of a liquid, we call that

• evaporation

• boiling

• condensation

• sublimation

Which of the following phase changes is endothermic (gaining / absorbing energy)?

• vaporization

• deposition

• freezing

• condensation

Tags

NGSS.MS-PS1-4

The point on a phase diagram in which solid, liquid, and gas can coexist is called

• triple point

• critical point

• melting point

• boiling point

The melting point of a substance is equivalent to the

• freezing point

• boiling point

• triple point

• critical point

Tags

NGSS.MS-PS1-4

In the phase diagram, the blue line represents which possible phase change?

• vaporization

• deposition

• melting

• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4