NSO Level 1- Science Olympiad (SOF) Class 8: Questions 1015 - 1019 of 1076

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Question number: 1015

» Some Natural Phenomena

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Question

Shruti stays in an earthquake prone area. She is curious to decorate her house. She has selected some objects for interior decoration. Pick out the wrong ones.

Choices

Choice (4) Response

a.

Fixed photo frames

b.

Standing cupboards and shelves

c.

Cupboards and shelves fixed on walls

d.

Wall clock

Question number: 1016

» Chemical Effects of Electric Current

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Question

The left arrow in the figure shows the direction of

Choices

Choice (4) Response

a.

Flow of electrons

b.

Electric current

c.

Flow of protons

d.

Question does not provide sufficient data or is vague

Question number: 1017

» Some Natural Phenomena

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Question

Sunitha is alone at home during a thunderstorm. She has to attend an emergency call in the landline phone. The precautions she should take would be

1) Keep the call brief

2) Not to touch the floor while talking

3) Not to touch the wall or grills

Choices

Choice (4) Response

a.

1,2 & 3

b.

3

c.

2

d.

1

Question number: 1018

» Some Natural Phenomena

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MCQ▾

Question

Identify the things, which can easily be charged by friction.

Choices

Choice (4) Response

a.

A plastic scale

b.

An iron scale

c.

A steel spoon

d.

A copper rod

Question number: 1019

» Some Natural Phenomena

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Question

Sunita knows that when a glass rod is rubbed with a piece of silk cloth, glass acquires positive charge while the cloth acquires negative charge. She has collected some objects, which are charged by friction. She wants to know the charges acquired by the objects. The steps she could follow would be given here. Arrange them in the correct order.

1. If the object is repelled, the object acquires positive charge.

2. Bring the charged object near the glass rod.

3. If the object is attracted, the object acquires negative charge.

4. Rub a glass rod with a piece of silk cloth.

Choices

Choice (4) Response

a.

1,4, 3,2

b.

1,2, 4,3

c.

4,2, 3,1

d.

4,2, 1,3

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