Specific Heat Physical Science

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

• Q = m Cp ∆T
• Q = m Cp
• Q =  ½ m v
• m = Q Cp

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

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.HS-PS3-4

If the specific heat of water is 4,186 J/kg∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C? 

• -80,371.2 J
• 44,938.6 J
• 80,371.2 J
• 112,575.9 K

Tags

NGSS.MS-PS3-4

What is the symbol for Thermal Energy?

• Q
• T
• m
• Cp

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

Tags

NGSS.MS-PS3-4

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

• Cp
• Q
• m
• T

Tags

NGSS.HS-PS3-4

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

Tags

NGSS.MS-PS3-4

A high specific heat means...

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

Tags

NGSS.MS-PS1-4

If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?

• 100 mL
• 1000 mL
• They both heat up at the same speed
• They cool down.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

You have 20 g of water with specific heat of 4.18 J/gŸ°C.  The temperature changes from 25° C to 20° C.  How much heat energy (Q) moves from the water to the surroundings?

• 418 Joules
• 209 J
• 83 J
• 4.18 J

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5