Answer the following question given this paragraph: Air pressure affects how high a cake rises when it bakes. Directions for cake mixes often have special high altitude instructions, like those on the label below. Explain why. Q: What affects how high a cake rises when it bakes? Choices: - air currents - air movement - current pressure - air pressure A:
air pressure
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Answer the following question given this paragraph: The most important way to keep your skin healthy is to protect it from ultraviolet light. Over-exposure to ultraviolet light can cause skin cancer. Keeping the skin clean can help prevent acne. Q: What is one major cause of skin cancer? Choices: - visible light - sunscreen - infrared light - ultraviolet light A:
ultraviolet light
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Answer the following question given this paragraph: Q: Respectively, which parts of the circulatory system carry blood from the heart toward capillaries, and return blood to the heart from capillaries? Choices: - parasites and veins - arteries and capillaries - organs and veins - arteries and veins A:
arteries and veins
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Answer the following question given this paragraph: Work is defined differently in physics than in everyday language. In physics, work means the use of force to move an object. The teen who is playing tennis in Figure above is using force to move her tennis racket, so she is doing work. The teen who is studying isn't moving anything, so she is not doing work. Q: What term in physics refers to the use of force to move an object? Choices: - mass - momentum - velocity - work A:
work
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