Question

Well Test Medium
Science
Std - 8
Time - 1 Hour
(L.O.- Learning Outcome)
August - 2020
Marks -25
L.O.
Distinguishes matter and organisms on the basis of their properties, composition and
function
Que - 1
Write the name of the synthetic fiber having the following properties.
(5)
1. It is strong, elastic and light. It is lustrous and easy to wash. So it becomes very
popular for making clothes.
2. Made from wood pulp and woven sheet with cotton and woven mat with wool.
3. The fabric made from this fiber does not crumble easily, it stay tight and easy to
wash so it's useful in making wearable fabrics.
4. Useful in making sweaters cheaper than wool.
5. Thin fibers can be made of it and can be woven like any other thread.
L.O.
Que -2
Applies learned scientific concepts in daily life.
Answer the following question.
1. 50 kg wheat has been brought to your house. What will you do to take care of it?
2. Explain where and why metallic material (any one) and non-metallic material (any
one) have been used in your home.
(2
(2
L.O.
Que - 3
3. Which agriculture tool would you choose to sow seeds in the field?
Illustrates the process and the phenomenon.
Answer the following questions.
1. Explain the process of harvesting
2. When you add water to sulfur dioxide and put a blue litmus paper in it, why does it
turn red?
burning candle
candle near the mouth of test tube consisting of sulfuric acid &​

Answer 1

Answer:

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