Temperature And Heat

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 unit of temperature in the SI system 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 Fahrenheit?

Answer 5

212 degrees Fahrenheit.

Question 6

True or False: Absolute zero is 0 Kelvin.

Answer 6

True.

Question 7

What does a thermometer measure?

Answer 7

A thermometer measures temperature.

Question 8

What is the term for the transfer of thermal energy?

Answer 8

Heat.

Question 9

Multiple choice: Which of the following is a good conductor of heat? A) Wood B) Metal C) Plastic

Answer 9

B) Metal.

Question 10

What is the specific heat capacity?

Answer 10

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

Question 11

Fill in the blank: The process of heat transfer through direct contact is called ______.

Answer 11

Conduction.

Question 12

What is convection?

Answer 12

Convection is the transfer of heat through the movement of fluids (liquids or gases).

Question 13

True or False: Radiation requires a medium to transfer heat.

Answer 13

False.

Question 14

What is the Kelvin equivalent of 25 degrees Celsius?

Answer 14

298.15 Kelvin.

Question 15

Multiple choice: Which scale is commonly used in scientific contexts? A) Celsius B) Fahrenheit C) Kelvin

Answer 15

C) Kelvin.

Question 16

What is thermal equilibrium?

Answer 16

Thermal equilibrium is the state in which two objects in contact with each other reach the same temperature.

Question 17

Fill in the blank: The transfer of heat through electromagnetic waves is called ______.

Answer 17

Radiation.

Question 18

What is latent heat?

Answer 18

Latent heat is the heat required to change the state of a substance without changing its temperature.

Question 19

True or False: A substance that requires a high amount of heat to change its temperature has a high specific heat capacity.

Answer 19

True.

Question 20

What is the term for the temperature at which a substance changes from solid to liquid?

Answer 20

Melting point.

Question 21

What is the term for the temperature at which a substance changes from liquid to gas?

Answer 21

Boiling point.

Question 22

Multiple choice: Which of the following is an example of conduction? A) Sun warming the Earth B) Ice melting in a drink C) A metal spoon heating in a pot of soup

Answer 22

C) A metal spoon heating in a pot of soup.

Question 23

What factor affects the rate of heat transfer?

Answer 23

The temperature difference between objects.

Question 24

Fill in the blank: The law stating that heat flows from a hotter object to a colder object is known as the ______.

Answer 24

Second law of thermodynamics.

Question 25

What is the relationship between temperature and pressure in gases?

Answer 25

As temperature increases, pressure increases if volume is constant (Gay-Lussac’s Law).

Question 26

True or False: Heat can be created or destroyed.

Answer 26

False.