Study Guides - Cherokee County Schools

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Name Date Class 2 58 Properties of Fluids <strong>Study</strong> Guide Properties of Fluids Directions: Determine whether the italicized term makes each statement true or false. If the statement is true, write true in the blank. If the statement is incorrect, write in the blank the term that makes the statement true. 1. A fluid is a liquid or a solid. 2. Buoyancy is the ability of a fluid to exert a downward force on an object immersed in it. 3. If the buoyant force on an object is greater than the weight of the object, the object will sink. 4. The buoyant force on an object in a fluid is equal to the weight of the fluid displaced by the object. 5. Archimedes’ principle states that pressure applied to a fluid is transmitted unchanged throughout the fluid. 6. As the velocity of a fluid increases, the pressure exerted by the fluid increases. 7. Temperature and viscosity are inversely related; that is, higher temperature means lower viscosity. Directions: Answer the following questions on the lines provided. 8. A hydraulic machine can be used to lift extremely heavy objects. Why is the fluid in the hydraulic machine a liquid rather than a gas? Chapter 16 9. A block of wood is floating in water. The weight of the part of the block above water is onethird of the total weight of the block. What is the weight of the water displaced by the block of wood? Explain your answer in terms of Archimedes’ principle. 10. A passenger jet in the air increases its speed. Does the downward force of air on the top of the wings increase or decrease? Does the net lifting force of the air on the wings increase or decrease? Explain your answer. Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.
Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc. Name Date Class 3 Directions: Write the definitions for the following terms in the spaces provided. 1. Boyle’s law 2. Charles’s law 3. pressure 4. absolute zero <strong>Study</strong> Guide Behavior of Gases Directions: Explain what will happen in each of the following cases. 5. If the temperature remains constant, what will happen to the pressure of a gas if you decrease the volume of the container that holds it? 6. If the volume of a container of gas remains constant, what will happen to the pressure of a gas if you increase temperature? Directions: Answer the following questions regarding temperature. 7. On the Kelvin scale, what is the freezing point of water?_______________________________ 8. On the Kelvin scale, what is the boiling point of water? _______________________________ 9. On the Celsius scale, what are the freezing and boiling points of water? Chapter 16 Behavior of Gases 59
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Study Guides - Cherokee County Schools

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