Specific Heat Practice

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

• Thermal Energy

• Specific Heat

• Temperature

• Kinetic Energy

Tags

NGSS.HS-PS1-5

What unit do you use to measure Thermal Energy?

• J/g ºC

• g

• ºC

• J

Tags

NGSS.HS-PS3-4

What is the equation to measure change in Thermal Energy?

• Q=mc∆t
• Q=mc
• Q= ∆mct
• m=QC

Tags

NGSS.HS-PS3-1

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

• Wood

• Water

• Both are the same

Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?

• Copper
• Carbon Steel
• Zinc
• Stainless Steel

Tags

NGSS.HS-PS3-4

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a  piece of aluminum foil is taken out of the oven and cools from 100° to 50°, What is the change in temperature?

• 50°
• 0°
• 100°
• 150°

Tags

NGSS.HS-PS3-4

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

• 1400 J

• 2800 J

• 210,000 J

• 1,400,000 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

The specific heat of aluminum is 0.21 J/g°C.  How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?

• 105 J
• 10.5 J
• 1.05 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

For a skillet, used for cooking, do you want a high or low specific heat? and why?

• High, so that it will need more energy to heat up

• Low, so that it will change temperature quickly

Tags

NGSS.HS-PS3-4