Take a small cotton ball and place it in a tumbler/bowl filled
with water. Observe it for atleast 10 minutes. Will it float or
sink in water and why?
Which type of the following materials is used for making the
front glass (wind screen) of a car?
(a) Transparent
(b) Translucent
(c) Opaque
(d) All the above
Which type of the following materials is used for making the
front glass (wind screen) of a car?
(a) Transparent
(b) Translucent
(c) Opaque
(d) All the above
Which type of the following materials is used for making the
front glass (wind screen) of a car?
(a) Transparent
(b) Translucent
(c) Opaque
(d) All the above
Which type of the following materials is used for making the
front glass (wind screen) of a car?
(a) Transparent
(b) Translucent
(c) Opaque
(d) All the above
Which of the following statements is not true?
(a) Materials are grouped for convenience.
(b) Materials are grouped to study their properties.
(c) Materials are grouped for fun.
(d) Materials are grouped according to their uses.
Which of the following statements is not true?
(a) Materials are grouped for convenience.
(b) Materials are grouped to study their properties.
(c) Materials are grouped for fun.
(d) Materials are grouped according to their uses.
Which of the following materials is not lustrous?
(a) Gold (b) Silver
(c) Wood (d) Diamond
Which among the following are commonly used for making a
safety pin?
(a) Wood and glass (b) Plastic and glass
(c) Leather and plastic (d) Steel and plastic
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