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Quiz 2-1

Quiz 2-1. Q #1. T/F Gases are weightless. Q #2. T/F All gases weigh the same. Q 3. The controlled variable for yesterday’s experiment was A . Mass B) Volume C) Density D) none. Q4. We dropped two same size(volume) balloons filled with different gases. Balloon A dropped first.

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Quiz 2-1

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  1. Quiz 2-1

  2. Q #1 • T/F Gases are weightless

  3. Q #2 T/F • All gases weigh the same

  4. Q 3 • The controlled variable for yesterday’s experiment was A. Mass B) Volume C) Density D) none

  5. Q4 • We dropped two same size(volume) balloons filled with different gases. Balloon A dropped first. Ballon A is / has A) more dense/more mass than Balloon B B) Less dense/Less mass than Balloon B C) more dense/less mass than Balloon B D) less dense/more mass than Balloon B

  6. Q5. • Carbon dioxide is more denser than He, or air

  7. Trade your quiz with your partner • 2 point each • 2(5 point) total =10

  8. Q #1 • T/F Gases are weightless False: Gases have mass. They also have density (M/V)

  9. Q #2 T/F • All gases weigh the same No, experiment yesterday proved that they do not weigh the same. Gases have different density/mass

  10. Q 3 • The controlled variable for yesterday’s experiment was B) Volume Controlled variable: variable that must be kept same to make sure that INDEP variable is affecting the DEP variable

  11. Q4 • We dropped two balloons with different gases. Balloon A dropped first. Ballon A is / has A) more dense/more mass than Balloon B Density M/V. (Measure of how concentrated/compacted particles are) We are keeping the V same. Therefore More mass means more denser in this case. = drops first

  12. Q5. • T/F Carbon dioxide is more denser than He, or air True:Carbon dioxide balloon dropped first

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