1) What are some problems caused by fossil fuels? a) They give off carbon dioxide which causes global warming b) They are unreliable c) They give off sulfur dioxide which causes acid rain. d) They are only available in certain areas. 2) What might be a problem with solar power? a) Solar power is cheap and easy to install b) Solar power is not available at night c) Solar panels have no moving parts d) Solar power depends on the weather so can't be generated all the time. 3) Which energy resources are non-renewable? a) Solar, wind, wave, geothermal b) Coal, oil, gas c) Wood, hydroelectric d) Nuclear 4) Which energy resources are renewable? a) Solar b) Nuclear c) Wood, sugarcane, biomass d) Wind and waves 5) What is hydroelectric power? a) When electricity is created from the kinetic energy of water falling from a dam. b) When electricity is created from the wind c) When electricity is created from the tides d) When electricity is created by biomass 6) How does energy usage change throughout the day? a) There is a spike in energy use at midnight, and at lunchtime. It is lower in the mornings when people eat cereal. b) There is a spike in energy use in the late evening when people play computer games and in the early mornings when milkmen travel to work. It is lower in leap years and much lower midmorning when people are watch daytime television. c) There is a spike in energy use in the afternoons when people drive home, and during weekends. It is lower during the winter months and much lower at 2pm when people drink a cup of tea. d) There is a spike in energy use in the mornings when people get up and in the evenings. It is lower during the day and much lower at night when people are asleep.

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