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physics test, 7 Class

example of a physics test on the issues temperature , engines , heat and surface tension !

Test 1

1. What you have in inventing a temperature scale pay attention?
2. Why is there no absolute zero of temperature?
   a) If at the absolute zero all body really tight?
   b) Why is not the absolute highest temperature?
3. Explain the operation of the four-stroke engine using a pV diagram.
4. formed as the sea-land wind system?
5. What does the addition of detergent to water in terms of the surface tension?

Test 2

1. Explain the functioning of two temperature measuring devices.
2. Sketch and explain the experiment with H 2 gas and clay cylinders.
3. Compare Advantages and disadvantages of the following engines
   a) 4-stroke engine
   b) 2-stroke engine
   c) rotary engine
   d) hybrid
4. Describe the difference between oceanic and continental climate physically.
5. What causes the impregnation of materials with respect to the surface tension?