Changing temperature

12 questions

1. The temperature of pure boiling water is ___°C.
2. Human body temperature is normally about ___°C.
3. What is the name of the temperature at which water changes from its solid state into its liquid state?
4. At what temperature does pure water freeze, compared to the temperature at which pure water melts?
5. To measure temperature of a beaker of water, the water is stirred and the ___ of a thermometer is put into the middle of it.
6. Which of the following describes the particles in iron in its solid state?
7. What does increasing the temperature of a metal in the solid state do to the particles it is made from?
8. Why does a solid expand at higher temperatures?
9. In how many directions (out of length, width and height) does a metal bar expand when its temperature increases?
10. Two different sized blocks of pure solid water (ice) are removed from a freezer at the same time. Which block of ice melts at the lowest temperature?
11. Why does a liquid expand when it is heated to a higher temperature?
12. Sort the following statements into the correct order to describe how a thermometer measures the temperature of some hot water.

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