Ques:If coal can power a light bulb, then what can power a light bulb? Answer choices: - copper - coal - Cars - Gas - motors - heat - energy - metal

Ans:coal
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Ques:If wind and rain cause a river to become deeper and wider, then wind and rain cause what to become deeper and wider? Answer choices: - burrs - soil - time - effort - eroded - solutes - river - gaps

Ans:river
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Ques:If arequirement for life is when a cell converts from oxygen and carbohydrates into carbon dioxide, water, and energy, then what is when a cell converts from oxygen and carbohydrates into carbon dioxide, water, and energy? Answer choices: - kinetic energy - requirement for life - Evaporation - Organic compounds - they body they live in - requirement for eating - requirement for oxygen - requirement for carbon

Ans:requirement for life
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Ques:If awindmill converts wind energy into electricity primarily using the energy of moving objects, then what does a windmill primarily use to convert wind energy into electricty? Answer choices: - matter vibrating - stored energy - solar power - batteries - Movement of an air mass - heat is produced - energy of moving objects - Something to move

Ans:
energy of moving objects
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