1. Third Quarterly Review
JEOPARDY!
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Third Quarterly Review
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2. JEOPARDY!
Chapter 1
Chapter 2
Chapter 3
Chapter 5
Chapter 6
Miscellaneous
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3. A good reference point must be an object which is ___________ HINT: Doesn’t move
Stationary
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4. Calculate the average speed of the bus below. HINT: The units are m/s
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5. What is a good reference point in the picture below to show that the train is in motion?
Mountains, Tree, Track
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6. What kind of relationship do time and speed have?
Inverse
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7. Jack and Jill wanted to see who can run a mile faster
Jack and Jill wanted to see who can run a mile faster. Jack ran in 7 mins and 45 seconds. Jill ran in 6 mins and 58 seconds. Who ran faster? WHY!
Jill, ran in less time
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8. Calculate the net force
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9. What are two ways you can increase the gravitational pull on two objects?
Increase Mass
Decrease Distance (bring them closer)
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10. An object in motion will continue to be in motion, until _________________.
An unbalanced force acts upon it
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11. When you travel to another planet what does not change even though the gravity changes.
Mass
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12. Describe the relationship between distance and gravity
Inverse Relationship
More distance (farther apart) two objects are the less gravitational attraction
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13. In which position does the ball have the most Gravitational Potential Energy?
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14. Explain what is happening at Point D in terms of KE and PEC B D
The GPE is decreasing and KE is increasing A E
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15. Machines are never 100% efficient because some energy is always transformed into ______________.
Thermal Energy
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16. If both vehicles (Smart Car and Hummer) are travelling on the road at the same velocity. Which one has more KE?
The Hummer b/c it has more mass
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17. Charging your phone requires a total energy of 50 J
Charging your phone requires a total energy of 50 J. Which of the following could be an example of how the energy was used?
50 Joules Electric Energy, 50Joules Thermal Energy
b. 50 Joules Electric Energy, 10 Joules Thermal Energy
c. 45 Joules Electric Energy, 5 Joules Thermal Energy
d. 100 Joules of Electric Energy, 50 Joules of Thermal Energy C.
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18. When heating your model homes you noticed that the roof was hotter because warm air rises. Which method of heat transfer explains this?
Convection
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19. Which method of heat transfer explains why the sun was able to melt the snow.
Radiation
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20. Which scientific principle explains why this occurred when you left your basketball outside in the cold?
Thermal Contraction
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21. What happens to particles when they are heated?
They move faster and farther apart
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22. Explain the heat transfer below.
The heat from the person’s hand is going to the ice cube.
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23. Which state of matter has no definite shape, but a definite volume.
Liquid
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24. What is the phase change at Point 4 called?
Boiling
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25. Why does this result after you take a warm bath?
Condensation
Gas  Liquid
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26. Which state of matter has the most Thermal Energy?
Gas  Fastest Particle movement,
Farthest apart (PE)
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27. What is happening to the temperature and Thermal Energy at Point 7.
Temperature is constant
Thermal Energy is decreasing
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28. At what temperature does water begin to boil in Celcius?
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29. Which medium does light travel the fastest through?
Vacuum
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30. Which law states that energy cannot be created or destroyed?
Law of Conservation of Energy
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31. What is the phase change called in which a substance goes from a solid directly to a gas?
Sublimation
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32. Why did the ladder fall off the van?
Inertia
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