U2:L2 - States of Matter

Gallium melts in warm water because

• it melts at a lower temperature than other metals like iron.

• it melts at a higher temperature than iron.

Tags

NGSS.MS-PS1-4

The temperature of a ice keeps going up as it is melting.

• True

• False

Tags

NGSS.MS-PS1-4

The point at which a solid changes to a liquid is called

• a melting point

• a boiling point

• thermal contraction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a gas changes to a liquid it is called

• freezing

• condensation

• melting

• boiling

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

All substances change state at the exact same temperature.

• True

• False

Tags

NGSS.MS-PS1-4

A solid becomes a liquid when

• you add energy

• you take away energy

• you make it colder

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Kinetic energy relates to

• particle speed

• particle bonds

• distance between particles

Tags

NGSS.MS-PS3-1

Potential energy of particles relates to

• the distance between particles and how bonded they are

• how fast particles are moving

• higher temperature of particles

Tags

NGSS.MS-PS3-2

Which substance has the highest potential energy?

• 
• 
• 

Tags

NGSS.MS-PS3-2

When a substance is changing state temperature _______ during the melting point and the boiling point.

• changes

• stays the same

Tags

NGSS.MS-PS1-4