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Check your knowledge! Take our fun quiz for the advanced Gas Section of the Fundamentals Chapter of our textbook! Follow the instructions and then click on the "Check it!" button for each question.

Advanced Activities: Gas

1.	Aerodynamics is the study of forces acting on an object. (Check the correct answer.)
	True False

2.	These forces become __________ when an object moves through the air. (Check the correct answer.)
	inactive active

3.	When the motions and shape of an object are understood the aerodynamic forces can be figured. (Check the correct answer.)
	True False

4.	When air flows over an object at very high speeds, the normal rules of aerodynamics sometimes don't apply. For these special cases, __________ dynamics, have been developed. (Check the correct answer.)
	liquid solid gas

5.	__________ dynamics expands the rules and laws of aerodynamics to include high speed flows and high temperature flows. (Check the correct answer.)
	Solid Liquid Gas

6.	The laws of gas dynamics always hold true. (Check the correct answer.)
	True False

7.	At high altitudes air molecules air molecules are very close together. (Check the correct answer.)
	True False

8.	Temperatures around the plane can be so high that they cause chemical reactions among the air molecules. (Check the correct answer.)
	True False

9.	This is often called the hypersonic region. (Check the correct answer.)
	True False

10.	Hypersonics is the study of the air motion in these conditions. (Check the correct answer.)
	True False

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