Heat and Temperature

In nature, heat always flows from a:

• cold object to a warm object.
• small object to a big object.
• warm object to a cold object.
• large object to a small object.

Tags

NGSS.HS-PS3-4

A measure of how hot or cold something is; specifically a measure of how fast particles in an object are moving.

• Thermometer

• Temperature

• Absolute Zero

• Specific Heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The symbol for specific heat is .......

• Cp

• Q

• m

• t

What is the formula to calculate heat energy required to raise the temperature of any substance?

• Q=mCp∆t

• Q=mCp

• Q= ½mv

• m=QCp

Tags

NGSS.HS-PS3-4

What is the symbol for Heat?

• Q

• t

• m

• C

Tags

NGSS.HS-PS3-4

What unit do you use to measure Energy?

• J/Kg ºC

• Kg

• ºC

• J

The specific heat of aluminum is 0.21 cal/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.MS-PS1-4

NGSS.MS-PS3-4

20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?

• 418 J

• 209 J

• 83 J

• 4.18 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A material was cooled from 100ºC to 40ºC. What is the temperature change?

• 60ºC

• 40ºC

• 140ºC

• 4000ºC

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 Heat?

• Large cup (Trenta)

• Small cup (Tall)

• All three are the same temperature so they have same heat

Tags

NGSS.MS-PS3-4