NSO Level 1- Science Olympiad (SOF) Class 6: Questions 27 - 29 of 201

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Question 27

Appeared in Year: 2012

Question

MCQ▾

Priya took a metal spoon, a wooden spoon, a plastic spoon and a glass rod. She dipped one end of each item into boiling water for five minutes and then touched the end extending outside the water. What were her observations and their inference regarding conduction of heat by these items?

Choices

Choice (4)Response

a.

All the items become hot, hence all are good conductors of heat.

b.

Metal and wooden spoons become hot at the other end which was outside water, hence metals and wood are good conductors of heat.

c.

Metal and plastic spoons becomes hot, hence metals and plastic are good conductors of heat while wood and glass are bad conductors.

d.

Only metal spoon becomes hot hence metals are good conductors of heat while wood, plastic and glass are bad conductors.

Question 28

Appeared in Year: 2012

Question

MCQ▾

Number of unit cubes in the given figure is ________.

Figure Shows Number of Unit Cubes

Choices

Choice (4)Response

a.

25

b.

26

c.

28

d.

27

Question 29

Appeared in Year: 2012

Question

MCQ▾

The given picture shows Sunita Williams in the spaceship. Sunita shared her experiences of living in space as following.

Picture Shows Sunita Williams in the Spaceship
  1. We could not sit at one place. We kept floating in the spaceship.
  2. In space there was no need to use a comb. My hair kept standing all the time.

Which of the following can explain these conditions in the spaceship?

Choices

Choice (4)Response

a.

Gravitational pull of earth greatly reduces.

b.

Gravitational pull of sun is non-effective.

c.

Gravitational pull between various objects in a spaceship is very-very strong.

d.

Gravitational pull of moon is non-effective.

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