Unit 2 | ES II | Phase Changes

True or False: All matter freezes at the same temperature.

• True

• False

A chef is heating up two pots of water. Pot A has 300 ml of water in it and Pot B has 100 ml of water in it. Which of the following statements are TRUE.

• Pot A will heat up FASTER and boil at a HIGHER temperature than Pot B.

• Pot A will heat up SLOWER and boil at a LOWER temperature than Pot B.

• Pot A will heat up SLOWER and boil at the SAME TEMPERATURE as Pot B.

• Pot A will heat up at the SAME RATE and boil at the SAME TEMPERATURE as Pot B.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Complete the sentence: The freezing point of a substance is the moment at which...

• particles can move past one another freely

• particles no longer have energy to slide past each other

• particles stop vibrating in place

• particles move farther away from one another

Tags

NGSS.MS-PS1-4

In which phase is the attraction between particles the strongest?

• Solid

• Liquid

• Gas

• They are all equal

In which phase is the attraction between particles the weakest?

• Solid

• Liquid

• Gas

• They are all equal

When a substance is NOT changing phase, input of energy changes the _______________

• temperature

• particle size

• mass

• phase

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a substance is CHANGING PHASE, input of energy changes the _______________

• temperature

• particle size

• mass

• phase

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a substance is CHANGING PHASE, temperature is _______________

• changing

• constant

Tags

NGSS.MS-PS1-4

The BLUE sections of the line represent...

• Phases

• Phase Changes

• Not enough information.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The RED sections of the line represent...

• Phases

• Phase Changes

• Not enough information.

Tags

NGSS.MS-PS1-4