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Temperature

Learn the concept of temperature, its relationship to kinetic energy, and the different temperature scales. Explore examples of thermal expansion and its impact on our world.

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Temperature

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  1. Chapter 13 – Section 1 Temperature

  2. Section1 Temperature Science Objectives • Describe how temperature relates to kinetic energy. • Compare temperatures on different temperature scales. • Give examples of thermal expansion. • Math Objectives • Reason and solve one-variable equations. • Literacy Revolution: Communication • I can discuss the structure of a text.

  3. Section1 Temperature What Is Temperature? • Temperature is a measure of the ? of the ? in an object. • Kinetic energy is the energy of ?. All moving objects have kinetic energy. • The amount of kinetic energy that an object has depends on the object’s ? and ?.

  4. Section1 Temperature What Is Temperature?, continued • Temperature and Kinetic Energy All matter is made of atoms or molecules that are always moving. • The faster the particles are moving, the ? kinetic energy they have. The more kinetic energy the particles of an object have, the ? the temperature of the object is.

  5. Section1 Temperature What Is Temperature?, continued • The gas particles on the right have a ? average kinetic energy than those on the left. So, the gas on the right is at a ? temperature.

  6. Section1 Temperature Measuring Temperature • With what device do we measure temperature? • How does that device work? Discuss this with your partner and make sure to include vocabulary from yesterday.

  7. Thermal expansion is the increase in volume of a substance in response to an increase in temperature. As a substance’s temperature increases, its particles move faster and spread out. • Challenge:Is thermal expansion more like a sponge getting soaked with water or M & M’s spilling all over the floor? Be ready to defend your answer.

  8. Section1 Temperature Measuring Temperature, continued • Temperature Scales Three common temperature scales are the Celsius scale, the Fahrenheit scale, and the Kelvin scale. • The Kelvin scale is the official SI temperature scale. • The lowest temperature on the Kelvin scale is 0 K, which is called absolute zero.

  9. Section1 Temperature Add the freezing points and the boiling points of water in your notes. You don’t have to do the Kelvin scale.

  10. The temperature of boiling water is 100° on the Celsius scale and 212° on the Fahrenheit scale. Look at each of the following temperatures and decide whether you think that it is hot or cold: 60°F 60°C 37°F 37°C 100°F 70°F 200°F 0°C Make a T-chart to record your responses. Write your responses in your lab book. DATE your work! Hot Cold Task

  11. Here are the formulas for converting temperature scales: °C = 5/9 x (° F – 32) °F = (9/5 x °C) + 32 Fahrenheit Celsius Freezing: 32 °F Boiling: 212 °F Freezing: 0 °C Boiling: 100 °C How can knowing freezing and boiling points help you check you answer?

  12. Our 2-Day Tasks • Solve a series of Temperature conversion problems using the appropriate formulas. • Create a poster, skit, power point, or something of your own choosing to create a presentation of how thermal expansion affects our world. You can focus on one example or include several. Include illustrations and explanations.

  13. Grading Rubric

  14. Did we accomplish our goals? Tell me how. Closure: Today’s Goals • Describe how temperature relates to kinetic energy. • Compare temperatures on different temperature scales. • Give examples of thermal expansion.

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