Std VI Subject – Science
Marks- 10
Q1) Fill in the blank 3M
a) Rubber made by vulcanization is a________ material
b) Man-made materials are made by _________natural material
c) Rayon is also known as_______
Q2) What are we Used for 2M a) Wood b)paper
Q3) find out 1M
a) How are pearls obtained
Q4) Give scientific reason 2M
a) Man-made materials have more demand
Q5) Answer the fallowing question
a) What is vulcanization ? 2M