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General Science Quiz 7 (25 MCQs)

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1. Why does boiling of water in a kettle overflow and spill?
2. The force that attracts the Moon and Earth is the
3. An example of matter made of only one element is
4. In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is
5. Two factors that affect an object's kinetic energy
6. If your test results do not support your hypothesis, what two things should you do?
7. A model car travels 20 meters in 15 seconds. How many meters will it travel in 45 seconds?
8. Sodium is an ingredient in salt. The chemical symbol for salt is
9. The speed of light with the rise in the temperature of the medium
10. Mrs. Smith is studying the part of the plant where food is made. What part is this?
11. Which of the following characters is not shown by hydrogen
12. Theory of Unification of two of basic four physical forces governing the universe was proposed by
13. When gasoline is burned in a car engine, _____ energy is converted into _____ energy.
14. The ore of Aluminium is
15. Light year is a measurement of
16. Man-made disasters includes all of the following EXCEPT _____
17. What is an example of a synthetic chemical?
18. Polythene is industrially prepared by the polymerisation of
19. In an experiment, the one variable that is changed by the scientist is called the _____
20. What is needed for rusting to occur?
21. 'Bar' is the unit of
22. The theory which advocates that living beings can arise only from other living beings is termed
23. In which part of the program did India walk out of the World Cup 2015?
24. Comets can be found in a region of the solar system called the _____
25. What is it called when a solid changes directly into a gas?
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