Changes of State

Changes of State

Are you a novice, intermediate or expert in changes of state.

Read slides 1-2 as a reminder and then answer the questions to identify the change of state

Multiple Choice

A gas turns to a liquid

• melting

• boiling

• freezing

• condensation

Multiple Choice

A student leaves a chocolate bar in their pocket at school

• melting

• boiling

• freezing

• condensation

Multiple Choice

A solid becomes a gas

• melting

• boiling

• sublimation

• deposition

Multiple Choice

A puddle of water gets smaller in the sun

• melting

• evaporation

• sublimation

• deposition

Multiple Choice

A student makes mango ice cream from a mango smoothie

• melting

• freezing

• boiling

• condensing

Multiple Choice

The particles gain energy and the chemical bonds weaken. The particles now have a random arrangement and move around each other

• melting

• freezing

• boiling

• condensing

Open Ended

Identify the change of state when a student heats water to 100degrees celcius and it bubbles rapidly

Multiple Choice

The particles lose energy, and slow down. The chemical bonds reform and the particles arrange themselves in a rigid, ordered manner

• melting

• freezing

• boiling

• condensing