Phase Changes

As a change of state, from solid to liquid, takes place heat _____ and temperature _______.

• increases, stays the same

• stays the same, stays the same

• stays the same, changes

• increases, increases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A change of state is a(n) ___________ process

• reversible

• irreversible

• fun

• chemical

Tags

NGSS.MS-PS1-4

Which of the below statements are true?

• There can be a change in heat without the temperature changing

• heat remains constant through a change of state

• temperature changes through a change of state

• heat and temperature are the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is different at the molecular level between a solid and a liquid? There can be more than one answer.

• the type of molecule

• the strength of the intermolecular forces

• the speed of the particles

• nothing

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Rank the states of matter from slowest to fastest particle speed.

• gas, solid, liquid

• solid, liquid, gas

• gas, liquid solid

• solid, gas liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When heat is removed from a solid what happens?

• The particles move faster

• The solid becomes a liquid

• The particles move slower

• nothing

Tags

NGSS.MS-PS1-4

Describe the movement of solid particles.

• no movement

• vibrational

• fast

• flowing

Tags

NGSS.MS-PS1-4

As the speed of the particles decreases, _______

• intermolecular forces become stronger

• intermolecular forces become weaker

• intermolecular forces do not change

• energy increases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is indicated by A?

• solid

• liquid

• gas

• melting

Tags

NGSS.MS-PS1-4

At what point(s) is the temperature of the substance not changing

• A,B

• B,C

• D,E

• B,D

Tags

NGSS.MS-PS1-4