Energy and Changing States

Which change of state takes place at the freezing point of a substance?

• a gas becomes a solid

• a gas becomes a liquid

• a lliquid becomes a solid

• a solid becomes a gas

Tags

NGSS.MS-PS1-4

Water freezes at what temperature?

• 100 degrees Celsius

• 0 degrees Celsius

• 4 degrees Celsius

• 32 degrees Celsius

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What state is a substance in if the temperature of a substance is between its melting point and its boiling point?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

When a cold glass of water forms tiny droplets on the outside of the glass what is happening?

• oxygen gas condensed on the cold glass

• water vapor condensed on the cold glass

• water leaked out of the glass

• water vapor evaporated onto the glass

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The body's ability to cool itself by sweating is an example of which change of state?

• evaporation

• sublimation

• melting

• freezing

Tags

NGSS.MS-PS1-4

Which of the following statements correctly identifies the relationship between evaporation rate and temperature?

• the evaporation rate is not affected by temperature

• the evaporation rate increases as temperature rises

• the evaporation rate decreases as temperature rises

• evaporation will stop if the temperature rises

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to a substance when it changes from a liquid to a solid?

• it gains mass

• it gains energy

• it loses mass

• it loses energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In order to turn oxygen gas into a liquid, it must be...

• turned into a solid first

• cooled down

• heated up

• mixed with water

Tags

NGSS.MS-PS1-4

What happens to water when its molecules slow down and move closer together?

• It separates into hydrogen and oxygen

• it turns into liquid nitrogen

• it turns into water vapor

• it turns into ice

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Some of the water that falls as rain evaporates back into the atomsphere. What happens to the water molecules during this procesS?

• they spread out to form a gas

• they spread out to form a solid

• They come together to form a solid

• They come together to form a gas

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4