Question: Answer the following question given this paragraph: Because energy is a product, energy is given off by the reaction. Therefore, this reaction is exothermic. Because energy is a reactant, energy is absorbed by the reaction. Therefore, this reaction is endothermic. Q: In an endothermic reaction, what is absorbed by the reaction? Choices: - food - fuel - atoms - energy A:
Answer: energy

Question: Answer the following question given this paragraph: Waves topple over and break on the shore because of friction with the bottom in shallow water. Q: What force causes waves to topple over and break on the shore? Choices: - momentum - tension - vibration - friction A:
Answer: friction

Question: Answer the following question given this paragraph: Q: The second shell holds a maximum of how many electrons? Choices: - 9 - 12 - 6 - 8 A:
Answer:
8