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General Science Quiz 12 (25 MCQs)

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1. Which of the following is an example of an element?
2. The energy that can harness heat stored below the earth's surface is known as
3. The amount of moisture in air is its
4. Stainless steel is an example of
5. What variable in an experiment is measured?
6. When an iron nail gets rusted, iron oxide is formed
7. Corals are made of _____
8. What state of matter has particles that are far apart and move freely?
9. Nimbus, cumulus, and stratus are types of what?
10. You are going to ride on a seesaw at recess. You notice if you move closer to the center that it is harder to lift your friend. What do you need to do to lift your friend more easily?
11. Which of the 5 senses is the first to develop?
12. The gas used for artificial ripening of fruit is
13. Liquefied Petroleum gas (LPG) consists of mainly
14. Rayon is chemically
15. A prediction about the problem in the scientific method is known as _____
16. Chemical symbols for two elements that occur in the earth's atmosphere are
17. A mixture of salt and sand can be separated by
18. These can speed up the rate of reactions and/or lower the amount of energy needed for the reaction to take place.
19. Some plants grow better if bone meal (ground-up bones) is spread around their roots. What does bone meal supply to the plants that makes them grow better?
20. In a chemical equation, the substances that are on the right side of the arrow are the
21. What special part is ONLY found in plant cells?
22. The least abundant gas in the Earth's crust.
23. Which one among the following food crops is not categorized under 'millets'?
24. Where is most of Earths fresh water that we use to drink found?
25. What is the number of periods in which Periodic table is divided?
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