18


INTRODUCTION TO ENERGY


ACTIVITY 1: REVISION QUESTIONS


1 In 2012, Felix Baumgartner set the record for the highest recorded skydive jump – 39 km! State the energy conversions you think might have occurred during his jump. Potential


2 List the energy conversions occurring in an airplane. What energy is being dissipated? Energy conversions: Chemical Type(s) of energy dissipated:


3 Mark the following statements as Always true (A), Sometimes true (S) or Never true (N). Statement


A/S/N


As you cycle down a hill you are gaining kinetic and potential energy As you cycle up a hill you are gaining kinetic and potential energy A ball will always bounce to a height below where it was dropped from Some energy is destroyed when an energy conversion takes place


86 UNIT 5: MOVEMENT


PHYSICAL WORLD


c


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a


p


t


e


r


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