INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDI
MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTIO
Coordinating Staff: Ms Bindhu Saji
INDIAN SCHOOL MUSCAT
MIDDLE SECTION
SUBJECT : SCIENCE
Revision Worksheet No: 11
TOPIC : Separation of Substances
Date of Issue : 19 / 11 / 2014
Name of the Student: ________________________
Class & Sec: VI ___
Roll No: ____
Answer the following questions.
1. Why do we need to separate the different components of a mixture?
2. When do we prefer Hand-picking as a method of separation?
3.Identify the method of separation shown in the
adjacent diagram. Give an example where in this
method can be used to separate the components.
4. How will you obtain clear water from the muddy
water, if you are provided with two glass tumblers
and no other equipment?
5. Is it possible to separate wheat flour from the sugar crystals? If so how?
6. Label A , B , C and D. Which type of substances can be
separated using this method?
A
B
C
D
P.T.O
A+-Outstanding
(90-100%)
A: Very Good
(75-89)
B : Good
(60-74)
C : Average
(40-59)
D: Poor
(Below 40)
INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDI
MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTIO
7.Help Rohan and Kamal to rearrange the different steps involved in the process
of separation of a mixture of sand , iron filings and sugar
The solution of sugar and sand is
poured through the filter paper,
and the sand was left behind.
A+-Outstanding
(90-100%)
A: Very Good
(75-89)
B : Good
(60-74)
C : Average
(40-59)
D: Poor
(Below 40)
INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDI
MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTIO
Coordinating Staff: Ms Bindhu Saji
INDIAN SCHOOL MUSCAT
MIDDLE SECTION
Task sheet No: 11
SUBJECT : SCIENCE
TOPIC
: Separation of Substances
Date of Issue : ___ /12 /2014
Maximum Marks: 20
Name: _________________________________
Class & Sec: VI ____
Roll No: ____
I. Fill in the blanks.
(5 marks)
1. Common salt can be separated from sea water by _______________________.
2. The process of pouring out the clear upper liquid without disturbing the
sediments is called _____________________.
3. The mixture of a solute and a solvent is called a _____________.
4. Insoluble impurities present in water can be removed by _____________
II . Give one word for the following:
(5 marks)
1. Seed coverings or small pieces of stem or leaves. _________________
2. The liquid above the sediments. ____________________
3. The process in which gas changes into liquid. _____________________
4. The ability of a substance to get dissolved in a given liquid. _______________
5. A solution that can dissolve no more of the solute . _______________________
III.State whether the following statements are TRUE or FALSE: (4 marks)
1. A mixture of coconut oil and water can be separated by filtration.__________
2. Condensation takes place only when water vapour hits a cold surface. _______
3. It is advisable to remove wheat bran from the wheat flour. ____________
A+-Outstanding
(90-100%)
A: Very Good
(75-89)
B : Good
(60-74)
C : Average
(40-59)
D: Poor
(Below 40)
INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDI
MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTIO
4. Sedimentation and decantation are used to separate an insoluble solid from a
liquid._____________
V.Answer the following questions.
1. How can you increase the solubility of a solute? .
( 2 marks)
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
2. Identify the different methods of separation.
A. ________________________
B. __________________________
C. _______________________________
A+-Outstanding
(90-100%)
A: Very Good
(75-89)
( 4 Marks)
D. _________________________________
B : Good
(60-74)
C : Average
(40-59)
D: Poor
(Below 40)