1) Atmospheric pressure increases. What happens to the level L and the pressure P? a) L falls : P increases b) L falls : P stays the same c) L rises : P increases d) L rises : P stays the same 2) The gas in a container is heated but is kept at constant volume. Why does the gas pressure increase? a) The molecules expand b) The molecules increase in mass c) The molecules move further apart d) The molecules move more rapidly 3) Which statement is explained by reference to pressure? a) A b) B c) C d) D 4) The molecules of a substance become more closely packed and move more quickly...... a) A b) B c) C d) D 5) Which pair contains only physical quantities that vary with temperature and so could be used in making a thermometer? a) A b) B c) C d) D 6) On a warm day, a swimmer climbs out of a swimming pool into the open air and water evaporates from his skin. a) A b) B c) C d) D 7) Some air is trapped inside a metal can with a tightly fitting lid. a) The air molecules expand and take up more room b) The air molecules move more quickly c) The air molecules move more quickly

Pressure Quiz (Lessons 4-5)

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