Changing States 1

A puddle of water seemed to disappear. The heat caused the water to -

• melt
• condense
• evaporate
• cool

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The steam coming off the pot of boiling water is an example of....

• a solid becoming a liquid
• a liquid becoming a solid
• a liquid becoming a gas
• a gas becoming a liquid

Tags

NGSS.MS-PS1-4

Which state of matter does ice start as (before you cool it)?

• liquid
• solid
• gas

Tags

NGSS.MS-PS1-4

True or False: Matter can changes states by adding heat or cooling.

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which will change state if you put it in the freezer?

• sand
• a bowl
• a pencil
• juice

Tags

NGSS.MS-PS1-4

Ice is an example of a/n...

• solid

• liquid

• gas

• atom

Tags

NGSS.MS-PS1-4

What happens to a liquid when it is cooled?

• it melts

• it boils

• it condensates

• it freezes

Tags

NGSS.MS-PS1-4

Water droplet that found at the outer glass of cool drinking water formed due to process....

• evaporation

• condensation

When we dry the wet clothes under the sun, after sometime the clothes dry. This phenomenon is the example of ....... process

• condensation

• evaporation

Fatimah is investigating the melting point of different salt solutions.

• she makes a salt solution using 10 cm3 of water with a known mass of salt

• she puts the salt solution into a freezer and leaves it to freeze

• she takes the frozen salt solution out of the freezer • she measures the temperature when the frozen salt solution melts

• she repeats each experiment.

Complete the sentence about the pattern shown by the results.

The ..................... the mass of salt in the solution the ....................... the melting point.

• greater; higher

• smaller; higher

• greater; lower

• smaller; lower