1. what is 67 K equivalent to in Celsius?

Question

answer: -206.15 C

2. what is 458.9 Celsius in K?
answer: 732.05

3. heat is closely related to:
a)temperature
b)thermal energy
c)force
d)convection currents
answer: b

4. What does a low efficiency score reveal about a home in terms of heat transfer?
a)the home is not using solar or geothermal heating
b)the home is very easy to cool in the summer but hard to heat properly in winter
c)the home is very easy to heat in the winter but hard to keep cool in the summer
d)the home has a lot of unwanted and incidental heat transfer
answer: d

5. which of the following examples best represents heat?
a)a sample of platinum at 76 degrees Celsius
b)wood burning releases 57 J of energy
c)wood burns at 350 degrees Celsius
d)a toy car generates 45 J of kinetic energy
answer: b

6. which of the following best shows the transfer of heat by conduction?
a) the hot sand in very painful to step on with bare feet
b)the soup pot boils from the bottom towards the top
c)the wood stove is painted a flat black colour for maximum heating effect
d)the use of fossil fuels produces smog and carbon dioxide
answer: a