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Matter, energy, and the laws that govern them — Homework
Show your reasoning, not just a final answer, for every problem.
- 1.A food chain starts with 30,000 kcal in producers. How much energy remains after two 10%-efficiency transfers?
- 2.Explain, using conservation of matter, where the mass of a burned candle actually goes.
- 3.Why can matter (like aluminum) be recycled indefinitely while energy cannot be "recycled" in the same way?
- 4.A chain has 8,000 kcal in producers. How much energy is available three trophic levels up?
- 5.Explain the phrase "there is no away" using an example from your own household trash.
🌲 Homeschool of the FutureTwelfth Grade · Science · week 3 homework