MANGYAN ELEMENTARY SCHOOL
FIRST QUARTERLY EXAMINATION IN SCIENCE 6
Name: ______________________________________________________Score: ____________
Grade and Section: _______________________________
Date: _____________
I.
Read and understand the sentences and questions. Choose the correct answer by shading
the corresponding letter of the correct answer on your answer sheets.
1. Mix orange juice powder to water is what kind of mixture?
A. Heterogeneous mixture
C. Homogenous mixture
B. Insoluble mixture
D. Mixture
2. Biko, nilupak and buko salad is an example of what kind of mixture?
A. Solid
C. Heterogeneous
B. Liquid
D. Homogenous
3. Let us assumed that the composition varies from one region to another, with at least two phases that
remain separate from each other, with clearly identifiable properties. This is a heterogeneous or ___
mixture?
A. uniform
C. Non-uniform
B. dissolution
D. Solution
4. There are five kinds of solution. Gas in liquid is one of it, therefore, which of the given example is
one of the solution?
A. Air and water
C. Oxygen and salt
B. Cola or Soft drink
D. Rocks and solvent
5. When sugar dissolves in water, the two substances appear as one. The sugar particles can no longer
be identified. However, the taste of the water proves that the sugar was not lost after mixing. Its
chemical property is retained and so the water taste sweet. What kind of solution is this?
A. Solid in liquid
C. Liquid in liquid
B. Solid in solid
D. Gas in liquid
6. A sugar solution is prepared by adding dissolving sugar in water. Sugar solution consists of two
components, namely, sugar and water. Which is solute?
A. Water
C. solution
B. Sugar
D. Components
7. In question number 10 (ten), which is solvent?
A. Water
C. solution
B. Sugar
D. Components
8. Not all substance can be dissolved in water. What do you call the substances that can be dissolved in
water?
A. soluble
C. solution
B. insoluble
D. dissolution
9. Apply nail polish on your nails. When it dries up, remove the nail polish with acetone. Can you identify
the factors that affect the solubility of the nail polish in acetone?
A. Miscibility or nature of the solute and the solvent
B. Size of the materials
C. The temperature
D. None of the above
10. When the solute particles mixed with water, what do they become?
A. Solvent
C. soluble
B. Matter
D. Mixture
11. How do the solute particles in a suspension behave after mixing with solvent?
A. settle at the bottom/float in the water
B. all particles appeared clearly
C. It doesn’t dissolved in solvent
D. A and B
12. What kind of mixture is suspension?
A. Heterogeneous
C. Gas in gas
B. Homogenous
D. Solid in solid
13. Some substances do not dissolve completely in solvents. The particles that do not dissolve settle
down at the bottom of the container. Is this a suspension mixture? Why?
A. Yes, because particles in suspension does not dissolve completely.
B. No, because particles dissolve completely
C. Maybe because I am not sure
D. It can be, but let me try
14. Which mixtures cannot be separated through picking?
A. Grains and mongo seeds
C. sliced fruits
B. Nail sand pins
D. Oil and vinegar
15. Which mixture can be separated through picking?
A. Softdrinks
C. creamer
B. Orange juice
D. Sliced mixed fruits
16. To get the smaller particle size of flour for baking, leaving larger particles of flour in the sift above
the screen. What kind of separating of mixture it is?
A. Sieving
C. Picking
B. Sifting
D. Drying
17. To separate rocks into different sized particles for road building and other construction projects,
which method is applicable?
A. Sieving
C. Picking
B. Sifting
D. Drying
18. To separate the palay and pebbles, which process or separating of mixture is applicable?
A. Sifting
C. Picking
B. Sieving
D. Winnowing
19. What is winnowing?
A. Is used to separate smaller solid particles from larger solid particles.
B. It is the process of freeing (grain)from the lighter particles of chaff, dirt, etc.
C. Picking of small particles to larger
D. B and C
20. Which is the process of separating solid substances from a liquid through the use of a filter paper or
any cloths that can be used as a filtering medium?
A. Sifting
C. Picking
B. Sieving
D. Filtration
21. What is an apparatus use as containing medium?
A. Filter
C. residue
B. Filter medium
D. Bottle
22. Which statements describe the process of separating mixture through funnel?
A. Immiscible liquids can be separated through the use of the separating funnel
B. Liquids that do not dissolve very well in each other can be separated through funnel.
C. Separating funnel is used in separating immiscible liquids.
D. A, B, and C
23. This is a process of separating mixture which magnetically susceptible material is attracted from a
mixture using a magnetic force. What kind of separating mixture is this?
A. Filter
B. Magnetism
C. Sieving
D. Sifting
24. What is the process by which water changes from a liquid to gas or vapor?
A. Filtration
C. Evaporation
B. Mixture
D. Decantation
AVERAGE
II. Match the meaning in column A with the word in column B. Write the letter on the space provided.
Column A
_______25. Is a technique used in separating a soluble solid from a liquid
_______26. Is a technique that uses a porous barrier to separate solid from a liquid
_______27. Is a separation technique based on the differences of the boiling point
of the substance involved
_______28. Is a technique used in separating a less-dense liquid from a denser one
_______29. Is a technique used in separating large solid components of
heterogeneous mixtures
_______30. Is a technique that separates components of mixtures based on the
ability of each component to be drawn across the surface of
another material
_______31. Mixture of metals and nonmetals could be separated using a magnet
_______32. Mixtures with big and fine components can be separated by _______
_______33. It is one of the oldest methods of separating gold in riverbeds
_______34. Grains are tossed in front of a pan
_______35. Gravitational force is useful for separating some mixtures
_______36. The process for separating mixed gases
Column B
a. filtration
b. evaporation
c. distillation
d. chromatography
e. decantation
f. physical
manipulation
g. use of magnet
h. sieving
i. gravity filtration
j. winnowing
k. panning
l. rectification
DIFFICULT
III. Read the following questions carefully. Circle the letter of your answer.
37. Read and understand: “At the end of everyday, we wipe off the blackboard with wet sponge to make it
clean and ready to use for the next day. After a few minutes, the water disappeared. Where do you think the
water goes? Why?
A.
The water disappeared because of the hot temperature.
B.
The water disappeared because of evaporation.
C.
The water disappeared because it is the way it used to be
D.
Never mind of the water
38. Some substances do not dissolve completely in solvents. The particles that do not dissolve settle down at the
bottom of the container. Is this a suspension mixture? Why?
A.
Yes, because particles in suspension does not dissolve completely.
B.
No, because particles dissolve completely
C.
Maybe because I am not sure
D.
It can be, but let me try
39. Janina made some fruit juice by mixing pineapples water and some sugar using a blender.
She left her juice in the blender and later she found some pulp at the bottom. She poured out a glass for
her brother Joshua, and then she turned on the blender again for few seconds, and then poured out the
remainder to another for herself. What did Joshua and Janina drink?
A. Joshua had a solution, while Janina has a suspension.
B. Joshua has a suspension, while Janina has a solution.
C. They both had solutions.
D. They both had suspensions.
40. Why should medicines prepared as suspensions be shaken well before use?
A. to mix in the powder drug that may have settled at the bottom
B. to make sure the flavors are mixed in so the dose will not taste bitter
C. to make the suspension turn into a colloid first before getting a dose
D. to make the suspension turn into a solution first before getting a dose
1ST
TABLE OF SPECIFICATION (TOS)
QUARTERLY EXAMINATION IN SCIENCE 6
MELC
1. Describe the appearance and uses of
homogeneous and heterogenous
mixtures
2. Describe techniques in separating
mixtures such as decantation,
evaporation, filtering, sieving and using
magnet
TOTAL
Prepared by:
GOLDIE P. TRONGCO
Science Teacher
# OF ITEM
16
%
PLACEMENT
40%
1-13,
38-40
60%
14-24,
25-37
100%
40
24
40
SCIENCE 6
KEY TO CORRECTION
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A