Exploring Heat Energy and Its Movement

What is energy primarily described as?

• The capacity to perform work

• A form of light

• A kind of liquid

• A type of matter

What are the two main types of energy?

• Thermal and Electric

• Chemical and Physical

• Potential and Kinetic

• Solid and Liquid

How is heat transferred between objects?

• Heat does not transfer

• From colder to warmer

• From warmer to colder

• Equally in both directions

What signifies a negative Q in heat transfer?

• Heat is absorbed by the system

• Heat is released by the system

• No heat transfer occurs

• Heat is converted to work

What process describes the absorption of heat by a system?

• Exothermic

• Endothermic

• Isobaric

• Isothermal

What is the main difference between heat and temperature?

• They are the same

• Heat is energy transfer, temperature is kinetic energy of particles

• Temperature is energy transfer, heat is kinetic energy of particles

• Heat measures mass, temperature measures energy

What unit is used to measure heat?

• Kelvin

• Pascal

• Celsius

• Joule

What does specific heat capacity indicate?

• The heat needed to raise the temperature of 1kg of a substance by 1°C

• The heat needed to raise the temperature of 1g of a substance by 1°C

• The heat needed to lower the temperature of 1g of a substance by 1°C

• The heat needed to change the state of 1g of a substance

Which substance has a higher specific heat capacity?

• Gold

• Water

• Iron

• Aluminum

How is the calorie related to the joule?

• There is no relation

• 1 calorie equals 4.184 joules

• 1 joule equals 4.184 calories

• 1 calorie equals 1 joule