Q: What do we call the center of a hurricane where the air is calm and clear? Choices: - nose - epicenter - neck - eye A:
eye
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Q: What protects you from pathogens and keeps you healthy? Choices: - immunity system - health system - potent system - immune system A:
immune system
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Q: What is the term for tough, flexible connective tissue that contains the protein collagen? Choices: - muscle - cuticle - membrane - cartilage A:
cartilage
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Q: Exemplified by a lit match bursting into flame or the process that forms fossil fuels, chemical reactions vary greatly in terms of what? Choices: - duration - density - power - speed A:
speed
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