Thermodynamics

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It’s the Law Transfers They’re Moving

Entropy

Final Jeopardy

More Transfers

QuestionAnswer

FINAL JEOPARDY• ANSWER: Explain how the distance of oil

molecules change from a solid to a liquid. • QUESTION: Expands

QuestionAnswer

A-100• ANSWER: The First Law of

Thermodynamics states that….• QUESTION: What is “Thermal

Energy cannot be created nor destroyed”?

QuestionAnswer

A-200• ANSWER: The First Law of

Thermodynamics is similar to this law…

• QUESTION: What is “The Law of Conservation of Energy”?

QuestionAnswer

A-300

• ANSWER: The Second Law of Thermodynamics states that….

• QUESTION: Heat is transferred from Hot molecules to cold molecules

QuestionAnswer

A-400• ANSWER: I hold an ice cube in my

hand. Explain the heat transfer. • (2 facts)• QUESTION:. The heat is transferred

through conduction and the warmer molecules of my hand is transferring their energy to the cold ice molecules causing it to melt.

QuestionAnswer

A-500

• ANSWER: The Third Law states that molecules are in motion unless its at Absolute Zero. List two facts about this temp.

• QUESTION: 0K, Coldest possible Temp, Molecules have no kinetic energy

QuestionAnswer

B-100• ANSWER: What are the three

forms of heat transfer?• QUESTION: conduction,

convection, radiation

QuestionAnswer

B-200

• ANSWER: Examples:Microwaves, Sun, Heat Lamp, Fire

• QUESTION: Radiation

QuestionAnswer

B-300• ANSWER: Examples:Pot on a stove, ironing clothing, taking a hot bath

• QUESTION: Conduction

QuestionAnswer

B-400• ANSWER: Examples:Hot air balloon rising, boiling soup, rising magma in the mantle

QUESTION: Convection

QuestionAnswer

B-500• ANSWER: When does conduction,

convection and radiation stop?

• QUESTION: When the temperatures reach equilibrium.

QuestionAnswer

C-100

• ANSWER: What is kinetic energy?

• QUESTION: energy of motion

QuestionAnswer

C-200• ANSWER: What is the Kinetic Particle

Theory about?

• QUESTION: All molecules (solids, liquids and gases) are constantly moving.

QuestionAnswer

C-300• ANSWER: When heat is added to

liquid molecules, describe two changes that occurs.

• QUESTION:1. Molecules increase kinetic energy2. Molecules move apart and expand3. The liquid turns into a gas

QuestionAnswer

C-400• ANSWER: Which cup has more

kinetic energy and why? A cup of 70o coffee or a cup of 90o milk?

• QUESTION: 90 degree milk because it has more thermal energy causing the molecules to move faster.

QuestionAnswer

C-500• ANSWER: Explain how water

behaves differently compared to all other forms of matter when it freezes.

• Question: Waters expands when it freezes. All other forms of matter contracts.

• QUESTION:

QuestionAnswer

D-100

• ANSWER: What is entropy?• QUESTION: A measure of

disorder in matter

QuestionAnswer

D-200

• ANSWER: Which has more entropy, the left beaker or the right beaker?

• QUESTION: The right beaker

QuestionAnswer

D-300

• ANSWER: Which coffee has less entropy? Left or right?

• QUESTION: Right

QuestionAnswer

D-400

• ANSWER: Which phase of matter has more entropy? Why?

• QUESTION: Gas because the molecules are more spread apart and random.

QuestionAnswer

D-500

• ANSWER: Which picture shows less entropy?

• QUESTION: Clean kitchen

QuestionAnswer

E-100

• ANSWER: What is thermal energy?

• QUESTION: Molecular movement

of energy – creates Heat.

QuestionAnswer

E-200• ANSWER: When cooled, most matter

will…• QUESTION: contract

QuestionAnswer

E-300• ANSWER: What tool do we use to

measure average molecular movement?

• QUESTION: a thermometer

QuestionAnswer

E-400• ANSWER: Water has a high specific

heat. What does that mean?

• QUESTION: It takes a long time to heat up and it holds onto heat energy for a long time.

QuestionAnswer

• ANSWER: Describe how heat and transform into another form of energy?

• QUESTION: answers will vary

E-500