Temperature and Energy

Question 1

What is temperature a measure of?

Answer 1

Temperature is a measure of the average kinetic energy of the particles in a substance.

Question 2

True or False: Heat and temperature are the same thing.

Answer 2

False

Question 3

Fill in the blank: The SI unit of temperature is _____.

Answer 3

Kelvin

Question 4

What is the freezing point of water in Celsius?

Answer 4

0 degrees Celsius

Question 5

What is the boiling point of water in Celsius?

Answer 5

100 degrees Celsius

Question 6

Which scale uses absolute zero as a starting point?

Answer 6

Kelvin scale

Question 7

True or False: Temperature can be measured in Fahrenheit, Celsius, and Kelvin.

Answer 7

True

Question 8

What is the temperature at absolute zero?

Answer 8

0 Kelvin

Question 9

What happens to the kinetic energy of particles as temperature increases?

Answer 9

It increases.

Question 10

Fill in the blank: The transfer of thermal energy is called _____.

Answer 10

heat

Question 11

What is conduction?

Answer 11

Conduction is the transfer of heat through a solid material.

Question 12

What is convection?

Answer 12

Convection is the transfer of heat through fluids (liquids and gases) by the movement of the fluid itself.

Question 13

What is radiation?

Answer 13

Radiation is the transfer of heat through electromagnetic waves.

Question 14

True or False: All materials conduct heat equally well.

Answer 14

False

Question 15

What type of materials are good conductors of heat?

Answer 15

Metals

Question 16

What type of materials are good insulators?

Answer 16

Materials like wood, rubber, and plastic.

Question 17

What is the effect of temperature on gas pressure?

Answer 17

As temperature increases, gas pressure increases if volume is constant.

Question 18

Fill in the blank: The _____ law states that the volume of a gas increases with temperature at constant pressure.

Answer 18

Charles’s

Question 19

What is thermal equilibrium?

Answer 19

Thermal equilibrium is the state when two objects reach the same temperature and no heat flows between them.

Question 20

True or False: Temperature affects the state of matter of a substance.

Answer 20

True

Question 21

What happens to a solid when it is heated?

Answer 21

It may melt into a liquid.

Question 22

What happens to a liquid when it is heated?

Answer 22

It may evaporate into a gas.

Question 23

Fill in the blank: The process of a gas turning into a liquid is called _____.

Answer 23

condensation

Question 24

What is specific heat capacity?

Answer 24

Specific heat capacity is the amount of heat required to raise the temperature of 1 kg of a substance by 1 degree Celsius.

Question 25

What is an example of a phase change?

Answer 25

Melting, freezing, condensation, or evaporation.

Question 26

What is the relationship between temperature and energy in terms of state changes?

Answer 26

Energy is absorbed or released during state changes as temperature remains constant.

Question 27

True or False: Higher temperatures always mean higher energy levels.

Answer 27

True