Heat and temperature 7°

The transmission of energy by two objects touching is called

• conduction
• convection
• contraction
• radiation

Rising warm air currents is an example of?

• Radiation
• Conduction
• Convection

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Higher temperature means faster moving molecules

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement is true?

• The quicker a molecule moves, the colder it is.
• The slower a molecule moves, the warmer it is.
• The quicker a molecule moves, the warmer it is
• The movement on molecule don�t affect its temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

Which best describes heat transfer by radiation?

• a slice of bacon frying in a pan
• a pot on a stove boiling water
• a camp fire warming hands
• a hot air balloon

Which example below is an example of radiation?

• Standing on a hot metal bridge
• The attic is warmer than the basement
• The Sun heating the Earth
• Touching hot sand with your feet

Heat is the transfer

• of thermal energy from a cooler object to a warmer object

• of thermal object from a warmer object to a cooler object.

• Heat doesn't transfer

• Freezing to Cold

Heat is transferred by

• conduction, convection and radiation.

• radiation only.

• conduction and radiation only.

HEAT. When we say that something is hot or cold, what we really mean is that ...

• Its temperature is high or low

• Its temperature is big or small

• Its contraction or expansion

HEAT. The next picture is...

• A change of temperature

• A change of volume

• A change of state