Thermal Energy

Question 1

Thermodynamics is the study of the transfer of ______ Energy

Answer 1

thermal

Question 2

1st Law: Energy is ________

Answer 2

Conserved

Question 3

2nd Law: Thermal energy can ONLY move from _____ to _____ If _____ is done on the system.

Answer 3

Cold
Hot
Work

Question 4

3rd Law: Absolute Zero (0 Kelvin)
________; even electrons!

Answer 4

All motion stops

Question 5

Greater the Thermal Energy greater the _____ of the microscopic particles

Answer 5

motion

Question 6

EQ: what is thermal equilibrium?
Heat/ Thermal Energy flows from ____ to _____ until thermal equilibrium is reached.

Answer 6

hot to cold

Question 7

Thermal Equilibrium is whent he tempreature between two objects/ materials reach the same _________.
AKA…. they meet in the _______

Answer 7

Temperature
Middle

Question 8

EQ: which direction does Thermal Energy & Heat flow?
As per the ___ Law of thermodynamics, Thermal Energy and heat only flows naturally from _____ to ____

Answer 8

Hot to Cold

Question 9

Cold things gain ______

Answer 9

Energy

Question 10

Hotter things lose ____ BUT Total energy is ______

Answer 10

Energy
Conserved

Question 11

EQ: what are 3 methods of energy transfer?

Answer 11

Conduction
Convection
Radiation

Question 12

Conduction–>

Answer 12

transfer by contact
ex: burning yourself while cooking

Question 13

Convection–>

Answer 13

Transfer by flow of a fluid such as air or water
ex: Hot air hitting you in the face when opening the oven, fan, central air.

Question 14

Radiation–>

Answer 14

Transfer by EMR waves
ex: sun warming our atmosphere, warming hands by fire, microwave.

Question 15

thermal insolator:
_________ Thermal Energy transfer but will keep thermal energy longer

Answer 15

Prevents/ shows

Question 16

thermal conductor:
allows thermal energy to transfer ______ , but will lose thermal energy faster.

Answer 16

easily