Energy provides a common currency that allows us to count and ____ the cost of different kinds of activity. Food contains a ____ store of energy. Different types of exercise have smaller or bigger ____ costs. Energy costs are measured in ____ or kilojoules. A kilojoule is ____ joules. The amount of chemical energy stored in some baked beans can be found on the food ____. Scientists can use this information to work out how many tins of beans a person might need to eat to run a marathon. Fuels like petrol and ____ also contain a chemical store of energy. Heating our ____ and making a car move all have an energy cost.

Y7 Energy

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