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10. Energy
One of the most important areas of
EXPO-2017 in Astana was devoted In Unit 9 you learnt:
to the issues of renewable and ✔ that moving objects work under the action
ecologically clean energy resources. of forces Physics
textbooks nis edu kz
Kazakhstan has a wealth of mineral ✔ that the speed with which work gets done
resources and other energy-rich is power
substances. What are some of the ✔ what mechanical work and power
advantages and disadvantages depend on
in transferring from fossil fuels to
renewable energy sources? Should In this unit you will learn:
Kazakhstan invest in renewable ✔ what energy is, the different kinds of energy
energy sources? Why (not)? storage and ways of transferring energy
✔ the law of conservation of energy
✔ efficiency and how to calculate it
Key phrases:
✔ When an object goes down a hill the potential
energy … , kinetic energy … and mechanical
energy … .
✔ Efficiency is … ; all moving objects have …
energy while … have potential energy.
✔ Kinetic energy is defined by the equation …
CCL In Maths you studied how to use direct and
inverse relationships in functions. These skills will
help you in multiple-choice problem-solving in
Physics classes. In Chemistry you learnt about
the mineral resources of Kazakhstan, and in
Physics you will understand how they are used
to generate energy.
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