SCIENCE-7-QUARTER-1-REVIEWER

27. What is the percentage of other gases aside from oxygen and nitrogen in the air?

7. What is the Latin name of Tungsten?

26. Which of the following does NOT belong to the group?

19. Which of the following is NOT an example of a pure substance?

23. It is separating mixtures with big and fine particles using a strainer or big screen.

9. Which of the following is the property of non-metals?

5. A scientist uploaded the outcome of his experiment on the Internet. What science procedure does he practice?

16. These are compounds that do not contain the element carbon and are not naturally found in living things.

25. What do you call a solution that dissolves greater amount of solute than its maximum capacity?

12. It is the only non-metal that is in liquid form.

21. What will happen to the freezing point of water if substances are added to it?

2. It is a temporary answer to our problem.

14. It has a shiny surface and becomes a good conductor when mixed with other elements.

13. Which of the following is NOT a metalloid?

29. It is the process of evaporating volatile liquid in the mixture and condensing the vapour back to the liquid state.

11. What is the most abundant metal on the Earth’s crust?

17. What compounds will be formed if a metal and a non-metal combined?

22. It is the separation of a dense, insoluble solid from a liquid.

3. Which of the following is NOT a scientific process?

24. Which of the following does NOT belong to the group?

30. A mixture of different colored inks can be separated using ______________.

1. It is a logical interpretation based on prior knowledge and experiences.

10. This property is characterized by being hammered, stretched, and shaped without breaking.

28. Which of the following does NOT belong to the group?

4. What science processes does Daniel use when he groups his collections of rocks according to color?

8. Which of the following is NOT a property of metals?

6. In an experiment about bacteria, using different amounts of antibiotic is an example of which kind of variable?

15. What is the basic or smallest particle of a compound?

20. It is the temperature when liquids turn into solids.

19. All of the following substances are heterogeneous mixtures EXCEPT for ___________.