Free Printable Thermal Physics

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Thermal Physics

Total questions: 15

Worksheet time: 17mins

Name

Class

Date

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

one reaches a temperature of zero

they both have an equal temperature

one runs out of energy

Temperature is a measure of the...

total energy in a substance

total kinetic energy in a substance

average potential energy in a substance

average kinetic energy of molecules in a substance

What letter represents heat?

What is 0^oC in Kelvin?

110 K

100 K

273 K

210 K

How much heat is absorbed when 355g of water goes from 25-45 degrees Celsius? The specific heat of water is 4180 J/kg.K

21945 J

21945 g

29678 J

29678 g

A 300g piece of aluminum at 100 ^oC is placed in a 150g of H₂O at 200 ^oC. The final temp. of the mix is 35 ^oC. What is the specific heat of the aluminum if the specific heat of the water is 4180 J/kgK?

22415 J

22415 g

32415 J

32415 g

To convert from Celsius to Kelvin:

K = Degrees Celsius + __________

251 K

275 K

213 K

273 K

the symbol for specific latent heat is

$l$

The heat absorbed by melting a solid is known as

latent heat of fusion

latent heat of solid

latent heat of liquid

latent heat of vaporisation

10.

What is the formula to calculate specific latent heat of vaporisation?

$l=\frac{Q}{m}$

c = Q/(mΔƟ)

Q = mcΔƟ

$Q=ml$

11.

No more energy can be removed from matter at:

its freezing point

0°C

absolute zero

273 K

12.

if 334000 J of heat is required to change state of 1 kg of ice into water then heat of fusion is

668000 J/kg

334000 kg

334000 J/kg

668000 J

13.

The amount of heat required to change 1 kg of liquid into gas at constant temperature is called

heat of fusion

heat of vaporization

heat of change of state

heat of solid

14.

What is internal energy

the average kinetic energy of the particles

heat energy

the sum of the kinetic and potential energy

the average potential energy

15.

which value is larger for a substance

latent heat of fusion

latent heat of vaporisation

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Thermal Physics

Total questions: 15

Worksheet time: 17mins

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