M2.3 Thermodynamics

What is temperature a measure of?

• The color of an object

• The average kinetic energy of particles

• The size of an object

• The weight of an object

What happens to particles when a body is warmer?

• They stop moving

• They move slower

• They move faster

• They change color

What is the relationship between temperature and heat?

• They are the same thing

• Temperature is a type of heat

• Temperature is a property, heat is energy flow

• Heat is a property, temperature is energy flow

What leads to an increase in temperature without melting or boiling?

• Addition of cold

• Addition of heat

• Removal of heat

• Removal of cold

What is the property that determines if a system is in thermal equilibrium?

• Color

• Temperature

• Size

• Weight

What is the main function of a thermocouple?

• To measure high temperatures

• To measure humidity

• To measure pressure

What is the main characteristic of the fluid in a bulb thermometer?

• It is colorful

• It has a linear rate of expansion

• It is very dense

• It is magnetic

What is a thermistor?

• A device to measure speed

• A device to measure temperature

• A device to measure weight

• A device to measure light

How does a thermistor work?

• By changing color

• By changing size

• By changing electrical resistance

• By changing shape

What is the formula to convert Fahrenheit to Celsius?

• C = 5/9 (F - 32)

• F = 9/5 C + 32

• C = F + 32

• F = C - 32