Answer the following question given this paragraph: There are several dietary sources of carbohydrates. Starch is found in many vegetables (especially potatoes) and baked goods. Sucrose (table sugar) is included as part of many prepared foods. Lactose is found in milk products, and maltose is present in some vegetables. Q: What is the chemical name of table sugar? Choices: - potassium - codeine - cellulose - sucrose A:
sucrose
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Answer the following question given this paragraph: Currents are like rivers flowing through the ocean. Rivers always flow downhill because of gravity. What do you think causes ocean currents to flow?. Q: What causes rivers to always flow downhill? Choices: - slope - pressure - diffusion - gravity A:
gravity
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Answer the following question given this paragraph: When water is heated in the boiler, it expands. It might burst the pipes of the system if it weren't for the expansion tank. This tank holds excess water after it expands. Q: What happens to water when it is heated in the broiler? Choices: - it evolves - it contracts - it introduces - it expands A:
it expands
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Answer the following question given this paragraph: The light reactions occur in the first stage of photosynthesis. This stage takes place in the thylakoid membranes of the chloroplast. In the light reactions, energy from sunlight is absorbed by chlorophyll. This energy is temporarily transferred to two molecules: ATP and NADPH. These molecules are used to store the energy for the second stage of photosynthesis. The light reactions use water and produce oxygen. Q: Light reactions occur during which stage of photosynthesis? Choices: - intermediate stage - third stage - final stage - first stage A:
first stage
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