REVIEW 9th Grade Abeka Science: Matter & Energy Reading Q . I

What is thermodynamics?

• Branch of physics that deals with cold air

• Branch of physics that deals with thermal energy...

• Branch of physics that deals with extreme heat

• Branch of physics that deals with chemicals

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What are surroundings?

• Everything but a human being

• Everything but an atom

• Everything but the system

• Everything surrounding the earth

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Mechanical Equivalent of Heat

• Relationship between units of heat

• Relationship between units of liquids

• Relationship between units of solids

• Relationship between units of gases

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First Law of Thermodynamics

• mass gained or lost by a system

• heat gained or lost by a system

• energy gained or lost by a system

• weight gained or lost by a system

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Define Carnot Engine

• A device that generates the max amount of work from a given amount of heat

• The first engine created for the car

• A device that produces the max amount heat

• A device that runs off of carnots

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What does the second law of thermodynamics state?

• man-made processes only go one way

• heat only goes in the up direction

• heat only goes side to side

• natural processes only go one way

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Define entropy

• The amount of disorder found in a system

• The amount of energy found in a system

• The amount of space found in a system

• The amount of liquids found in the system