heat transfer

A barefoot student steps on a hot concrete surface. Most of the heat transferred to the student’s skin by this contact is by the process of—

• convection
• conduction
• vaporization
• radiation

Tags

NGSS.MS-PS3-3

A student opens the top window and the bottom window in a hot room. What statement best describes the heat transfer occurring in the room?

• conduction
• radiation
• convection
• evaporation

Tags

NGSS.MS-PS3-4

what is conduction?

• direct touch
• air or liquids
• heat waves/ light waves
• drinking hot coffee

Tags

NGSS.MS-PS3-3

what is convection

• direct touch
• air or liquids
• heat waves or light waves
• sunbathing outside

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

what is radiation?

• direct touch
• air or liquids
• heat waves/ light waves
• touching the cookies out of the oven

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How do molecules at warm temperatures differ from molecules at cool temperatures? 

• a.  At warm temperatures, molecules move around more
• b.  At warm temperatures, molecules grow in siz
• c.  At warm temperatures, molecules exchange electrons more easil
• d.  At warm temperatures, molecules combine with each other more easil

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why is there more thermal energy in an iceberg than in a pot of boiling water?    

• a.  The pot insulates the heated molecules
• b.  Most icebergs are fairly warm to the touch
•   c.  Icebergs contain many more molecules than pots of water
•   d.  Water does not hold heat very well

Tags

NGSS.MS-PS3-3

Boiling Water

• Conduction

• Convection

• Radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Curling Iron

• Conduction

• Convection

• Radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Weather Patterns

• Conduction

• Convection

• Radiation

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6