Science/Section 2: Heat Transfer, Oct 16

Question 1

what is energy

Answer 1

how fast molecules are moving

Question 2

what is temperature

Answer 2

the average amount of energy of motion of each molecule of a substance

Question 3

what is thermal energy

Answer 3

energy of motion in the molecules of a substance

Question 4

how do we measure temperature

Answer 4

air temperature is measured with a thermometer

Question 5

what is a thermometer

Answer 5

an instrument used to measure temperature. It consists of a thin glass tube with a bulb on one end that usually contains a liquid (alcohol or mercury)

Question 6

how is heat transferred

Answer 6

radiation
conduction
convection

Question 7

what is radiation

Answer 7

the direct transfer of energy by electromagnetic waves

Question 8

what is conduction

Answer 8

the direct transfer of heat from one substance to another substance that is touching it

Question 9

what is convection

Answer 9

the transfer of heat by the movement of fluid

Question 10

how is heat transferred in the trophosphere

Answer 10

mostly through convection. Air near the Earht’s surface is also warmed by radiation and conduction.