co grade 6 science

2. Word Puzzle
Find this words in the puzzle: Winnowing, Picking, Sifting, Sieving, Filtering
W R E A L H F K L Y
I S S I E V I N G O
N A I R P C L X T O
N M F J I X T Z R H
O R T P O D E V E N
W O I Q R P R Z H K
I S N E T L I B G F
N U G A W J N N D E
G N E D V K G M W N
S P I C K I N G O G

3. Match the picture in column A with the correct word in column B in separating mixture.
A B
Using magnet
picking
winnowing
filtering

7. Group Activity
Group 1 – Flour and Sugar
Group 2 – Sand and Gravel
Group 3 – Salt and Pepper
Procedures:
1. Sift the mixtures.
2. Identify the mixtures separated.
Questions:
1. Based on your activity how can dry
mixtures be separated.
2. Describe how to separate dry
mixtures.
3. What device can be used in sifting or
sieving dry mixtures.

8. Sifting is defined
as to pass through a
sorting device like a
screen to sort,
separate the coarse
from the fine
particle, or to break
up lumps, as of flour.
Sieving is separating bigger dry
mixtures such as sand and
gravel. Sifting or sieving is
another technique of separating
mixtures.

9. 1. What are dry mixtures?
2. How can we separate dry
mixtures?
3. What tool is used in sifting or
sieving?

10. Direction: Identify what is being describes in each number. Choose the
appropriate term from the box. Write your answer on the space provided.
sifter
dry mixtures
sifting
sieving
___________ 1. Combinations of dry substance.
___________ 2. A device used in sifting.
___________ 3. A technique used in separating
bigger dry mixtures such as sand and gravel.
___________ 4. It a technique used in separate
fine solid particles or to break up lumps, as of
flour.
dry mixtures
sifter
sieving
sifting

11. On a short bond paper,
illustrate other ways how
sifting or sieving is done.
ASSIGNMENT