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General Science Quiz 111 (20 MCQs)

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1. Friction is useful, as well as harmful.
2. ..... is a push or a pull
3. The mass of a wagon is 40 kg. The wagon accelerates at 8 m/s2. What is the force?
4. Spagetti was cooking on a stove. The water got so hot that steam floated up from the pan. Steam is an example of a.....
5. What is the process of turning a liquid into a gas called?
6. The reflecting surface of a..... curves inward.
7. Which non-contact force is defined as the force of attraction between any two objects?
8. Mechanical energy has..... types.
9. Who was the founder of taxonomy?
10. True or false?The atomic mass of an atom equals the sum of the masses of the protons and neutrons.
11. Which word means to study something carefully to understand what it means?
12. The teeth, used to tear food into pieces are known as-
13. A kilogram weighs (at the earth's surface, e.g., the grocery store) approximately:
14. It is accurate to call the side of the moon that we don't see the "dark side" of the moon.
15. Light energy is absorbed by..... component of plant
16. The only liquid layer of the solid earth is the
17. When a glass rod is rubbed with a piece of silk cloth the rod
18. This scientists encouraged people to learn the reasons behind what they were observing and is considered to be the "Father of the Scientific Method"
19. What is the name of the compound Na2(SO4)?
20. Which statement is an inference?
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