Weather & Water: Investigation 3

How do you calculate density?

• volume divided by mass

• mass divided by volume

• volume multiplied by mass

Calculate the density of a solution with a volume of 125mL and a mass of 75g.

• 1.67 g/cm cubed

• 0.68 g/cm cubed

• 0.6 g/cm cubed

• 1.6 g/cm cubed

True/False

When thermal energy is added to a fluid there are fewer collisions among the particles.

• True

• False

Tags

NGSS.MS-PS1-4

True/False

When thermal energy is added to a fluid the motion of the particles speeds up.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How does the density of water change when it is heated?

• It is less dense.

• It is more dense.

• The density does not change.

Tags

NGSS.MS-PS1-4

If you had three liquids: clear room temperature water, pink hot water and green cold water, which liquid would you expect to layer on the top?

• clear water

• pink water

• green water

Tags

NGSS.MS-PS1-4

Hot water is like a

• low-pressure area.

• high-pressure area.

Tags

NGSS.MS-PS1-4

Cold water is like a

• low-pressure area

• high-pressure area

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is one way to change the density of a liquid.

• change the color of the liquid

• add more liquid

• change the temperature of the liquid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If you put your hand above a candle flame and feel the warmth, without touching the flame, the warmth you feel is evidence of energy transfer by

• radiation and convection

• radiation only

• conduction and convection

• radiation and conduction

Tags

NGSS.MS-PS1-4