question: Write a question you would see in a school textbook. OPTIONS:
- mechanical to electrical
- mechanical to thermal
- chemical to electrical
- chemical to thermal
answer: Which energy conversion process occurs whenever coal is burned?

question: Write a question you would see in a school textbook. OPTIONS:
- human -> corn -> cow
- corn -> human -> cow
- corn -> cow -> human
- cow -> human -> corn
answer: Which of the following is a correct food chain?

question: Write a question you would see in a school textbook. OPTIONS:
- 6.2 x 10^8 J
- 6.3 x 10^8 J
- 7.7 x 10^8 J
- 7.9 x 10^8 J
answer:
A recycling plant manager needs to melt 1500 kg of scrap copper to sell to a wire manufacturer. The copper is at 15C and its melting point is 1083C. The copper has a specific heat of 385 J/kg x K. How much heat is required to raise the temperature of the copper to its melting point?