1) Energy is the ability... a) to obtain and store food b) to be present everywhere and in everthing c) to do work or cause changes 2) The form of energy related to temperature is a) chemical b) thermal energy c) light energy 3) Energy can be transformed. For example... a) batteries store chemical energy b) electrical energy becomes light energy in a lamp c) electrical energy moves through electric cables 4) Non-renewable anergy sources will... a) run out one day b) never run out c) become renewable 5) The energy in biomass is... a) chemical energy b) geothermal energy c) mechanical energy 6) Burning fossil fuels... a) produces radioctie waste b) can produce acid rain c) uses up the Sun´s energy 7) The gases in the atmosphere that absorb heat are known as... a) air pollution b) toxic subtances c) greenhouse gases 8) The Earth temperature is increasing. This is called... a) the greenhouse effect b) global warming c) solar energy 9) The greenhouse effect is... a) decreasing becuse of human activity b) increasing because of human activity c) not affected by human activity 10) We can save energy in many ways. For example, we can.. a) take showers instead of baths b) turn off the light when we enter a room c) dry our clothes in a dryer

y5 sc-unit 8 ENERGY

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