General Science Quiz 15 (20 MCQs)

Quiz Instructions

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1. The best way to separate isotopes of the same element is to exploit:

Correct Answer: D) Differences in mass.

2. The vaporization of water.

Correct Answer: A) Evaporation.

3. Ecosystem consists of living organisms only.

Correct Answer: A) False.

4. Mechanical devices that make use of two or more simple machines

Correct Answer: B) Compound/complex machines.

5. A form of matter that has no definite shape or volume.

Correct Answer: C) Gas.

6. Information collected using specific methods for a specific purpose of studying or analyzing.

Correct Answer: A) Data.

7. ..... is a change that produces one or more new substances with new chemical properties.

Correct Answer: C) Chemical change.

8. Can you guess how many Scientific Attitudes there are?

Correct Answer: D) 7.

9. Which of the following is an example of friction that is helpful?

Correct Answer: D) All are examples that are helpful.

10. Which is not a semi-conductor?

Correct Answer: B) Arsenic.

11. What is the force that pushes or pulls an object called?

Correct Answer: A) Force.

12. When an unstable radioactive atom decays, it usually turns into:

Correct Answer: A) A more stable atom.

13. Heating a home can take up a lot of energy. What could save energy?

Correct Answer: C) Turning down the heater when you are not home.

14. Deforestation and rising population are becoming a cause of Global worming.

Correct Answer: A) True.

15. Stored energy between atoms, ions, and molecule is..... energy?

Correct Answer: A) Potential.

16. The phenomenon of distillation was given in

Correct Answer: D) 722-803 A.D.

17. The female part of a flower is called .....

Correct Answer: A) Carpel.

18. What are the primary colors of light?

Correct Answer: A) Red, green, blue.

19. The fastest-running terrestrial animal is:

Correct Answer: B) Cheetah.

20. Atomic Mass

Correct Answer: A) Protons + Neutrons.