Tuesday, 4 October 2011

Review of test

1)b Explain how a blanket on your bed reduces the heat transfer from your body

-insulation

-heat gets trapped in blanket

-convection

3)a the energy from wood and coal comes from the SUN (energy source)

c. disadvantage of burning wood – Land loss = Animal lose their habitat à need to migrate

d. non renewable sources:

-Nuclear

-Crude oil

-Natural gases

4)b. Linear kinetic energy is transferred to Electrical energy

6)c. TOTAL energy in = TOTAL energy out

7)d. Transferred to heat energy in her body

8)c. Shiny surfaces

9)a.iv GPE=KE

piha, mission bay, Auckland

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