Week 16 Quiz: Particles

In which lab this week did we demonstrate that particles have spaces between them?

• Swab the Deck

• Swabbie Balance

• Drops Away

• Eddie's Experiment

In which lab this week did we demonstrate that particles have varying degrees of stickiness (attraction)?

• Swab the Deck

• Swabbie Balance

• Drops Away

• Eddie's Experiment

Which lab this week is not the best example of showing particles move?

• Swab the Deck

• Swabbie Balance

• Drops Away

• Eddie's Experiment

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In Drops Away, why did the drop of alcohol appear more irregular in shape (not perfectly round) and flat (not dome shaped)?

• the particles of alcohol are less "sticky"

• the particles of water are less "sticky"

• alcohol is a metal

• the water is attracting the alcohol like a magnet

In Drops Away, which evaporated more quickly?

• one drop of alcohol

• one drop of water

Tags

NGSS.MS-PS3-4

In Drops Away, which dropped appeared more round and dome-like?

• drop of alcohol

• drop of water

In Swab the Deck and Swabbie balance, how did the particles of alcohol evaporate?

• all at once

• little by little

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

In Swabbie balance, how do you know that the alcohol went into the air and did not absorb into the ruler?

• the ruler didn't look wet

• rulers can't absorb alcohol

• you could smell the alcohol in the air

In Swab the Deck, how do you know that the alcohol went into the air and did not absorb into the table?

• the table didn't look wet

• tables can't absorb alcohol

• you could smell the alcohol in the air

Which liquid is more "sticky"?

• alcohol

• water