CUA #3 Prep 1

Warm air is __________ dense than cold air and rises creating convection currents.

• more
• less

Tags

NGSS.MS-ESS2-5

In convection, WARM air

• Rises
• Sinks

Tags

NGSS.MS-ESS2-6

In convection, COOL air

• Rises
• Sinks

Air moves from areas of _____________ pressure, to areas of ______________ pressure.

• high; low

• low; high

Tags

NGSS.MS-ESS2-5

Rank the following samples of matter from the greatest kinetic energy of the molecules to least kinetic energy of the molecules.

• A > B > C > D

• B > A > C > D

• B > A > D > C

• D > C > B > A

Answer explanation

' > ' means the quantity to the left of the symbol is greater than the quantity to the right of the symbol.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Temperature is a measure of the _____.

• total energy in a substance

• total kinetic energy in a substance

• average potential energy in a substance

• average kinetic energy of molecules in a substance

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The transfer of thermal energy between objects of different temperatures is called _____.

• temperature

• heat

• internal energy

• none of these

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

If the two masses shown in the figure were in thermal contact, in which direction would the internal energy flow? The internal energy would _____.

• not flow in either direction.

• flow in both directions.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Radiation

• The transfer of thermal energy as electromagnetic waves

• The transfer of thermal energy through solids

• The transfer of thermal energy through liquids and gases

Convection

• The transfer of thermal energy through liquids and gases

• The transfer of thermal energy through solids

• The transfer of thermal energy as electromagnetic waves