Thermal Energy & Specific Heat

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

Tags

NGSS.MS-PS3-4

There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?

• Large cup (Trenta)
• Small cup (Tall)
• Venti
• All three are the same temperature so they have same thermal energy

Tags

NGSS.MS-PS3-4

What would be the effect on the particles if more heat is supplied to the system?

• They would slow down
• They would stop moving
• They would speed up
• There would be no effect

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

A high specific heat means...

• It heats up quickly with energy added
• It requires more energy to change temperature

Tags

NGSS.MS-PS1-4

Thermal energy and temperature are the same.

• True
• False

The more particles an object has at a given temperature,

• the higher its temperature.
• the more thermal energy it has.
• the more degrees it has.
• the more kelvins it has.

The more particles a substance has at a given temperature, the more thermal energy it has

• True
• False

Iron has a higher specific heat than silver. If 1 kg of iron and 1 kg of silver absorb equal amounts of heat, the temperature of the ____________________ will increase by a greater amount.

• Iron
• Silver

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

• Thermal Energy

• Specific Heat

• Temperature

• Kinetic Energy

Water has a specific heat of 4.184 J/gºC.

Wood has a specific heat of 1.760 J/gºC.

What material requires more energy to raise the temperature of these substances?

• Wood

• Water

• Both are the same