my slideshare consist of various activities that can easily understand by the pupils and also videos which can be visualize and guide pupils how to do the hands on activity.

1. GRADE IV
SCIENCE AND HEALTH
WAYS OF SEPARATING
MIXTURES
ROSALIE Q. CASTIILO

2. DIRECTION:
Describe how will you separate these mixtures.
1.Gravel and sand
2.Flour and sugar
3.Coconut milk and water
4. Chaff and corn grains
5.Fine salt and coarse salt

3. Let’s find out if your answer is correct?
1.Sieving
2.Sifting
3.Straining
4.Winnowing
5.Filtration

4. BRAVO!!!
WELL DONE!!

5. PROCEDURE: ARRANGE THE JUMBLED LETTERS TO FORM THE WAYS OF
SEPARATING MIXTURES.
1. S N I V E I G
2. P V A E O R T I N O A
3. T S I F N I G
4. S R T I N A I G N
5. F I T A R L I T O N
This activity will
help you to
identify the way
of separating
mixtures
Please help me
to arrange the
letters correctly

6. WHAT HAVE YOU FOUND OUT?
What words did you form from the jumbled letters?
1. SIEVING
2. EVAPORATION
3. SIFTING
4. STRAINING
5. FILTRATION

7. FILTRATION

8. WHAT IS FILTRATION?
FILTRATION= is the process of separating mixtures through a filter.

9. MAGNETIC SEPARATION

10. WHAT IS MAGNETIC SEPARATION?
Magnetic separation= is used to separate metallic substances from non-metallic
substance.

11. WINNOWING

12. WHAT IS WINNOWING?
Winnowing= is separating the chaff from the grains by wind.

13. SIEVING

14. WHAT IS SIEVING?
Sieving= used for separating coarse from fine parts of loose matter.

15. EVAPORATION

16. WHAT IS EVAPORATION?
Evaporation= is the process of changing liquid to gas by heating, thereby
separating solids from the liquids in the mixture.

17. WHAT IS STRAINING?
Straining= pour a mainly liquid substance through a porous device or material
in order to separate out any solid matter.

18. MATCH COLUMN A WITH COLUMN B
WRITE THE LETTER.
A B
-----1.Refining flour using a sifter a.filtration
-----2.Separating materials by heating
-----3.Separating undissolved solid materials b.straining
in a mixture
------4.Separating coconut milk from squeezed c.sieving
grated coconut using a fine wire screen
-----5.Separating the chaff from the rice grains d.winnowing
by wind
-----6.Separating pebbles from the sand using e.sifting
a wire screen
f.evaporation

19. MATCH COLUMN A WITH COLUMN B.
WRITE THE LETTER
A B
E 1.Refining flour using a sifter a.filtration
F 2.Separating materials by heating
A 3.Separating undissolved solid materials b.straining
in a mixture
B 4.Separating coconut milk from squeezed c.sieving
grated coconut using a fine wire screen
D 5.Separating the chaff from the rice grains d.winnowing
by wind
C 6.Separating pebbles from the sand using e.sifting
a wire screen
f.evaporation

20. CHOOSE THE LETTER OF THE
CORRECT ANSWER
1.Why do we put filters in our faucets ?
A. To separate the impurities from water
B. To purify the water
C. To kill the germs in the water

21. ANSWER
A. To separate the impurities of the water

22. 2. If you were given a mixture of sulphur and iron fillings, how will you separate
the two kinds of components?
A. Use a mirror
B. Use a magnet
C. Use a Bunsen burner
D. Either a or b

23. ANSWER
B. Use a magnet

24. 3. You accidentally drop a box of pins on sandy ground. What is the fastest
way of recovering the pins from the ground?
A. Use a water heater
B. Use magnet
C. Throw water on the ground
D. Use a filter paper

25. ANSWER
B. Use a magnet

26. 4.Your mother wants to make some hotcakes. But she finds some impurities
and coarse materials in the flour particles? What should you do?
A. Use a magnet
B. Use a strainer
C. Place the flour over the fire
D. Put mater in the mixture

27. ANSWER
B. Use a strainer

28. 5. Your brother prepared a mixture of sand and pebbles. How can you
separate the sand from the pebbles?
A. By picking
B. By using a magnet
C. By sifting
D. By magnetizing

29. ANSWER
C. By sifting

30. THE END…