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Temperature

Temperature. By Ms. Pacheco. Who is credited with inventing the first thermometer?. NOT this guy!. Galileo!. Galileo also… Developed the first telescope Discovered the four largest moons of Jupiter (“Galilean Satellites”). This gave support to the heliocentric model of the solar system.

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Temperature

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  1. Temperature By Ms. Pacheco

  2. Who is credited with inventing the first thermometer? NOT this guy!

  3. Galileo!

  4. Galileo also… • Developed the first telescope • Discovered the four largest moons of Jupiter (“Galilean Satellites”). This gave support to the heliocentric model of the solar system.

  5. Galileo… • Discovered sunspots. He saw them move across the surface of the sun, showing that the sun rotated. • Noticed that Venus went through phases, like the moon. This proved that Venus orbited it’s light source, NOT the Earth. • He saw mountains and craters on the moon.

  6. The Leaning Tower Experiment • Galileo, born in Piza, Italy, supposedly dropped two cannon balls of different masses from the tower to prove that they would hit the ground at the same time.

  7. Gabriel Fahrenheit… • Made good thermometers, so people used his temperature scale • Fahrenheit scale: Water boils at 212 degrees F, water freezes at 32 degrees F • For the ZERO point, this was the lowest temperature recorded by his thermometer during the winter of 1709

  8. Anders Celsius • Designed a thermometer scale that compares to the metric system. • Celsius scale: water boils at 100 degrees C, water freezes at 0 degrees C

  9. Kelvin Scale • Named after Lord Kelvin, English physicist • Based on the idea of absolute zero (the temperature at which all motion ceases, -273.15 degrees C or 0 K) • He is buried beside Issac Newton at Westminster Abby.

  10. Temperature Conversions C = K – 273 K = C + 273

  11. On the Kelvin Scale… • The boiling point for water is K = C + 273 = 100 + 273 = 373 K

  12. On the Kelvin Scale… • The freezing point for water is K = C + 273 = 0 + 273 = 273 K

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