Specific Heat

The amount of energy required to raise the temperature 1ºC for every kilogram is called____?

• Thermal Energy
• Specific Heat
• Temperature
• Kinetic Energy

What is the symbol for Thermal Energy?

• Q
• t
• m
• C

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

What is the symbol for Specific Heat

• Q
• t
• m
• C

What is the equation to measure change in Thermal Energy?

• Q=mc∆t
• Q=mc
• Q= ∆mct
• m=QC

Water has a specific heat of 4184 J/KgºC.  Wood has a specific heat of 1760 J/KgºC.  What material needs more energy to raise the temperature 1ºC

• Wood
• Water
• Both are the same

What does temperature measure?

• Heat
• ºC
• Kinetic Energy
• Thermal Energy

How does heat flow?

• Always from cold to warm
• Always from warm to cold
• Both warm to cold & cold to warm
• It depends on the temperature

How many Joules of energy are required to change 10 gram of ice at -2 C to water at 20 C?

• 440 J
• 880 J
• 10,140 J
• 66,000 J

How many Joules of energy are required to change 10 gram of water from 20 C to 90 C?

• 1400 J
• 2800 J
• 210,000 J
• 1,400,000 J