# Density And ES Basics: Question Preview (ID: 20732)

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 Density is a) the ratio of mass to volume b) how much matter is in a space c) a way to determine what objects float and which sink d) all of the above. Rate is shown on a graph by a) the line on a graph slanting straight upward. b) the line on a graph slanting straight downward. c) the slope of any type of line on a graph. d) a horizontal line on a graph. Which of the following statements is an inference? a) The temperature outside is 45 degrees Fahrenheit. b) There are cumulus clouds overhead. c) The sunrise was at 6am this morning. d) There will be thunderstorms tomorrow. An object that is more dense than its surroundings will a) sink. b) float. c) not move. d) be hot. If a piece of the mineral galena is measured whole then cut into pieces, the density of one of the pieces a) will be less than the whole mineral. b) will be the same as the whole mineral. c) will be more than the whole mineral. d) will be difficult to calculate. As air in the atmosphere sinks, pressure increases so density a) decreases b) increases c) remains the same d) does not do anything because air has no density. When lava is heated, the density a) increases and it sinks. b) decreases and it sinks. c) increases and it floats. d) decreases and it floats. When two tectonic plates collide, one with continental crust and the other with oceanic crust, a) the continental crust will be pushed under because it is more dense. b) the oceanic crust will be pushed under because it is more dense. c) the continental crust will be pushed under because it is less dense. d) the oceanic crust will be pushed under because it is less dense. Warm air rises because when it is heated a) it expands and is less dense than the air around it. b) it contracts and is less dense than the air around it. c) it expands and is more dense than the air around it. d) it contracts and is more dense than the air around it. Ice floats in liquid water because a) it is more dense than the water since it is a solid. b) it is the same density as the water. c) it is less dense than the water, even though it is solid. d) ice doesn't float in water.
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