CBSE > Class 06 > Science (OLD) | CBSE Board | Homework Help

A bulb lights up when the circuit is complete. In an electric circuit, the direction of flow of electricity is taken to be from the positive terminal of the cell to the negative terminal of the cell. A bulb does not glow when the circuit is open because electricity cannot pass through it.

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Fast

Posted by Mona N. 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Awdhesh Singh 7 years ago

Fast Capable of moving at high speed .

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What is means of transportation

Posted by Mona N. 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Meenakshi Pravallika 7 years, 1 month ago

transportation is the movement of humans, animals and goods from one location to another

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Why transparent glass of window it not wiped off regularing appear hazy

Posted by Amritpal Singh Khalsa Khalsa 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Yogita Ingle 7 years ago

Air contains some gases, water vapours and dust particles that stick to transparent glass of windows. These particles also attract other outdoor elements such as pollen, etc to collect on glass and make a layer. This is why, transparent glass if not wiped off appear hazy.

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What is the ratio of nitrogen to oxygen

Posted by Suhani Goel 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Yogita Ingle 7 years, 1 month ago

Air consists of 78.09% nitrogen and 21% oxygen. The ratio of nitrogen to oxygen in air is - roughly 1:4.

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What is the speed of light?

Posted by Suhani Goel 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

3 answers

Awdhesh Singh 7 years ago

3,00,000 km per second

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Aparna Kumari 7 years, 1 month ago

3,00,000 per second

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Ishika Sadyora 7 years, 1 month ago

The speed of light is 3,00,000 km per second

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Give two uses of cotton , jute and synthetic fibre

Posted by Manpreet Jouhal 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Yogita Ingle 7 years, 1 month ago

Cotton is mostly used for making clothes of various kinds. Examples: towels, bed-sheet, curtains, saris.
Jute fiber is used mainly for making gunny bags, shopping bags, ropes, carpets, curtains, etc.
Synthetic fibre is quite strong, wrinkle- resistant and quick drying. These are used in making different materials; like clothes, neck-ties, sails, sweater, shawls, carpet and blankets. They are also used in making boats, skating boards, etc.

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What is rainfall

Posted by Rauank Bhardwaj 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Ishika Sadyora 7 years, 1 month ago

When there is a large amount of water vapour in the air it falls on the ground and is called Rainfall and it is a part of water cycle

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Why do plants decay

Posted by Bharathy Neduncheralathan 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Meghna Thapar 6 years ago

In the springtime, leaves soak up carbon dioxide from the atmosphere, converting the gas into organic carbon compounds. Come autumn, trees shed their leaves, leaving them to decompose in the soil as they are eaten by microbes. Over time, decaying leaves release carbon back into the atmosphere as carbon dioxide.

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The measurement of a room using foot of different person will be equal or not

Posted by Mudra Patel 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Nanadana S 7 years, 1 month ago

Will not be equal

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Which kind of mirror forms a laterally user Ted image

Posted by Suhana Sharma 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Suhana Sharma 7 years, 1 month ago

Plane

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Name the major nutrients

Posted by Reva Patel 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Nidhi Chhawcharia 7 years, 1 month ago

The major nutrients are :- Carbohydrates Fats Proteins Vitamins Minerals

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Why forests are called collective banks?

Posted by Shinee Y 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Anushka Kaur 7 years, 1 month ago

Forest are called collective bank because forest have many trees, plants, animals, and other things in collective wya.

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Moving of tyres of car is circular motion or rotational and why ?

Posted by Gagan Bharti 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Simone Singh 7 years, 1 month ago

Circlular beacause the car is also moving . Rotational is the motion of an object rotating at the same place

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At which place artificial magnets were discovered

Posted by Aditya Kumar Nayak 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

2 answers

Hello Smile 7 years, 1 month ago

It was found at Magnesia, in Ancient Greece

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Geetika Dhiman 7 years, 1 month ago

I think it's Greece

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At which place artificial magnets were discovered?

Posted by Aditya Kumar Nayak 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Hello Smile 7 years, 1 month ago

At Magnesia in Greece

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What. Is. Enviroment

Posted by Hari Om 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

2 answers

Utkarsh Yadav 7 years, 1 month ago

Nature

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Geetika Dhiman 7 years, 1 month ago

Our surrounding is called environment. Ex: ? neighborhood

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Rusting of iron is a reversable change

Posted by Gagan Bharti 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

1 answers

Prakriti Pradeep 7 years, 1 month ago

Yes it is a reversible change because the rusted iron can be made to shine back by rubbing i with sand paper. Answer by Srishti

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Why should an electrician use rubber gloves while repairing for repair work usually have plastic or rubber covers on them.Can you explain why?

Posted by Akshaya Santosh Ghosalkar 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

2 answers

Suhana Sharma 7 years, 1 month ago

An electrician uses rubber gloves while repairing an electric switch because rubber is an insulator. It does not conduct electricity. So the electrician will not get an electric shock.

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Inayat Negi 7 years, 1 month ago

To avoid from electric shocks.

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What type of soil is good for growing cotton

Posted by Mohammed Batis 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

3 answers

Utkarsh Yadav 7 years, 1 month ago

Black soil

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Inayat Negi 7 years, 1 month ago

Black soil

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Prakriti Pradeep 7 years, 1 month ago

Black soil in warm climate Answer by Srishti

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Why does a lamp of cotton wool shrink in water?

Posted by Priyanka Joshi 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)

2 answers

Suhana Sharma 7 years, 1 month ago

Lump of cotton wool has air among gaps of cotton fibers. When water replaces air from these gaps, the lump of cotton becomes heavy and shrinks in water

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Reva Patel 7 years, 1 month ago

The lump of cotton first flute but as the time pass the water oqupie space oqupie by air

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is plastic boon or a curse

Posted by Sanchit Parashar 7 years, 1 month ago

CBSE > Class 06 > Science (OLD)