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What does temperature depend on? |
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Kinetic energy of particles |
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What is all matter made of? |
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3. T or F : Particles of matter are constantly moving. |
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TRUE. Particles are always moving, but they don’t all move at the same speed or same direction |
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4. The more kinetic energy the particles of an object have, the higher the ____________________of the object. |
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5. What instrument do we use To measure temperature? |
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6. Thermometers can measure temperature because of what? |
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What are the three temperature scales and which one do we use more often in science? |
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Fahrenheit Celsius - used in science more often Kelvin |
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8. What is the lowest temperature on the Kelvin scale? |
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9. When temperature drops does expansion or contraction occur? |
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Definition
Because thermal expansion is the increase in volume of a substance, most things expand when heated and contract when temperature drops. |
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10. If heat is a transfer of energy, what form of energy is being transferred ? |
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11. What SI unit do we use to express energy ? |
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12. Which has more energy, anobject at a high temperature or a low temperature ? |
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An object at a high temperature. The particles are moving faster. |
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13. What is it called when objects have the same temperature ? |
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14. What are three types of energy transfer? |
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Definition
Conduction Convection Radiation |
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15. What type of energy transfer occurs through direct contact? |
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Definition
Convection Circular motion of gases or liquids |
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16. What type of energy transfer occurs through matter or space As electromagnetic WAVES? |
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17. What do you call substances that conduct thermal energy very well? |
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18. What do you call substances that DO NOT conduct thermal energy very well? |
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19. What are the states of matter? |
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Definition
The physical forms in which something can exist. Solid, liquid, gas |
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20. What does change of state mean? |
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Definition
Conversion from one physical forms to another. Example: solid ice melts and becomes liquid water |
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21. What is melting point? |
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22. What is freezing point? |
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23. What is boiling point? |
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24. What is condensation point? |
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Definition
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What temperature does water boil? |
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Definition
Farenheit: 212 degrees Celsius: 100 degress |
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What is the body's normal temperature? |
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Definition
Farenheit: 98.6 degrees Celsius: 37 degrees |
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What temperature does water freeze? |
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Definition
Farenheit: 32 degrees Celsius: 0 degrees |
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The more kinetic energy an object has, the higher its ___________________. |
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Molecules pass heat by touching = |
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Circular pattern of molecules as they are heated (rise) and are cooled (sink) |
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