# PS_DensityComparison1920 (1).docx - Name Julia Gonzalez...

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2019 Name: Julia Gonzalez Date: 9/10/19 & 9/11/19 Student Exploration: Density via Comparison Vocabulary: density, mass, volume Prior Knowledge Questions (Do these BEFORE using the Gizmo .) The image at right shows a man floating in the Dead Sea, an extremely salty lake that lies between Israel and Jordan. 1. Why do you think the man is floating so high in the water? ___Because the man is less dense than the water 2. __The water is denser than the man_______________________________ __________________________________________ 3. What might happen if this man tried to read the newspaper while floating in a normal pool? __Depending on how dense the water is in the pool he would either sink or float_______________________________________________________________________ Gizmo Warm-up Whether an object floats or sinks in a fluid depends on the density —or mass per unit of volume —of the object as well as the density of the fluid. The Density via Comparison Gizmo allows you to compare objects by placing them in fluids of differing densities. 1. Place object A into Beaker 2 , which contains a liquid with a density of 1 g/mL, equal to the density of water.

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