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Published byFlorence Bradley Modified over 9 years ago
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8 th Grade Chapter 3 Notes Continued
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Volume and Temperature ___________ - a French scientist whose interest in balloon rides led him to discover how gas temperature and volume are related. __________- when a temperature of a gas is ________ at constant pressure, its ____________. ALSO, when the temperature of a gas is _________ at a constant pressure, its_________________. Jacques Charles Charles’s Law increased Volume increases decreased Volume decreases
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Hot Air Balloon Example Heating causes the air inside of the balloon to ________. Some of the warm air leaves the balloon at the bottom This keeps the pressure inside of the balloon _________. Since some of the air leaves the balloon from the bottom, the air inside of the balloon is less _____ than the air outside of the balloon. The balloon begins to ____. constant dense expand rise
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If the air in the balloon cools….. The ________ happens. The air in the balloon ________. More air enters through the opening at the bottom to fill the available space The ________ of the air inside of the balloon _______. The balloon starts __________. reverse contracts density increases downward
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Gas Behavior Boyle and Charles focused on only two factors that vary at a time. ______ - a diagram that can tell how two variables, or factors that change are related. ________ - horizontal line shows the _________ variable (the factor that is expected to change) ____ - vertical line shows the responding variable(the factor that changes as a result of the manipulated variable). graph X-axismanipulated Y axis
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Graphing Charles’s Law and Boyle’s Law _____________ - the graph shows that the volume of gas is _______________ to its kelvin temperature under constant pressure. _____________ - pressure of a gas varies __________ with its volume at constant temperature. Charles’s Law Directly proportional Boyle’s Law inversely
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Assessment Reviewing Concepts – page 89 1a, 1b 2a, 2b Reviewing Concepts – page 93 1a, 1b 2a, 2b
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