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

The size will be same but if you rais your left hand you see that in mirror the right hand will be seen.In an plane mirror there will be change in size...

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What is embryo

Posted by Mohjeet Sidhu 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Bhumika Jindal 7 years, 1 month ago

A identical and a fertillized egg of human is known as embryo which can be identical as it is a girl or boy

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Why do bio sphere is important to us

Posted by Hemu Pranesh 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

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Bhumika Jindal 7 years, 1 month ago

Because every organism is dependent on another organism

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What is the rader of the mobile

Posted by Hemu Pranesh 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

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What is oran

Posted by Ujjwal P S 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

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Whose magnet are bar magnet

Posted by Riya Yadav 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Meghna Thapar 6 years ago

Magnets can be naturally occurring or man-made. The man-made magnets are called artificial magnets. They are of various shapes – bar magnet, horse-shoe magnet, cylindrical or ball-ended magnet. The bar magnets in pairs should be stored by separating them with a piece of wood and keeping soft iron bars across their opposite ends to prevent loss of magnetism.

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How can a magnet lose its property

Posted by Tanya Gupta 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

3 answers

Devyansh Goenka 7 years, 2 months ago

Magnet can lose it property when it is dropped from a height

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Mohjeet Sidhu 7 years, 2 months ago

By hammering it, by heating

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Tanya Gupta 7 years, 2 months ago

Plzzzzzzzzzzzzzzz tell me the amswer fast ?????????

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At what celcius did the water boil

Posted by Kuppu Samy 5 years, 10 months ago

CBSE > Class 06 > Science (OLD)

3 answers

Bhumika Jindal 7 years, 1 month ago

100°C

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Riya Yadav 7 years, 2 months ago

100 celsius

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Tanya Gupta 7 years, 2 months ago

0° celvius

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What is hydroelectric power plant?

Posted by Bramha Mandavi Suman 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Bramha Mandavi Suman 7 years, 2 months ago

Hydroelectric power plant use kinetic energy of the moving water ?

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Can a mixture of salt and sugar separated by filtration

Posted by Sreehari Rajesh 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

2 answers

Aditya Kumar Nayak 7 years, 2 months ago

Yes

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Pradyuman Verma 7 years, 2 months ago

I am not sure if I choose in yes or no I choose no

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Which is the first dam in the world

Posted by Sreehari Rajesh 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Meghna Thapar 6 years ago

One of the World's first dams was constructed in India. Even today, this dam is able to store water and regulate water. This dam remains today as a testimony for our ancient engineering expertise.
The name of this ancient dam is called "Kallanai Dam". It was built in 1st century AD across the river Cauvery in Tamilnadu of South India.

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What do you mean by photo synthesis

Posted by Rajesh Kumar 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

2 answers

Bhavesh Sharma 7 years, 2 months ago

The process from plants make carbohydrate food with carbon di oxide and water in persence of chollorophyll and sunlight.

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Tanya Gupta 7 years, 2 months ago

The process of which plants take carbon dioxide and leaving oxygen to make food by the help of soil, air and sunlight is called photosynthesis

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What is the difference between chemical and physical change...?[2]

Posted by Srijani Mandal 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Yogita Ingle 7 years, 2 months ago

Physical Change	Chemical Change
In a physical change, the molecules are rearranged while their actual composition remains same.	In a chemical change, the molecular composition of a substance completely changes and a new substance is formed.
Some example of physical change are freezing of water, melting of wax, boiling of water, etc.	A few examples of chemical change are digestion of food, burning of coal, rusting, etc.
Physical change is easily reversible i.e original substance can be recovered.	Chemical change is irreversible i.e. original substance cannot be recovered.
In physical change, no new substance is formed.	A chemical change is always accompanied by one or more new substance(s).

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How can we state differences between non-metal and metal

Posted by Sandeep Gupta 5 years, 10 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Bhumika Jindal 7 years, 1 month ago

METALS _ metals are lustures, melleable ductile, have high melting point, have high tensile strength ,good conductor of heat and electricity But non metals are just opposite to it

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What is slow change and fast change

Posted by Basheer Shayan 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Sandeep Gupta 7 years, 2 months ago

Slow changes took longer time but in fast changes took shorter time

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What is transparenc

Posted by Raju Gupta 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Yogita Ingle 7 years, 2 months ago

Materials which allow light to pass through them completely are called Transparent objects. And the property is called transparency property. Objects on the other side of Transparent objects can be seen clearly. Eg: Glass, water and air.

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Why we should not keep magnets near electronic gadgets

Posted by Ida Beaulin 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Yogita Ingle 7 years, 2 months ago

When we bring magnet near the electronic items,they may get destroyed.
For example: In television, when we place a magnet near to it, magnet create distortion on the screen.In television, when we place a magnet near to it, magnet create distortion on the screen.
The magnetic field produced by the magnet affect the CRT based TV and computer monitors. The monitors and TVs use a metal plate at the front of the picture tube, to focus electron beams from the electron gun. This plate is known as shadow mask. When this plate get magnetized from external magnetic fields, it produces discoloration at that point.

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What is an electric circuit ?

Posted by Ariana Khan 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Yogita Ingle 7 years, 2 months ago

A closed path through which the electric current flows is called an electric circuit. The direction of electric current in an electric circuit is from the positive terminal to the negative terminal. This is opposite to the direction of flow of electrons; which is from the negative terminal to the positive terminal.

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Which part of the leaf has presence of starch in it...!? Is it midrib!?

Posted by Sneha A. 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Drishya Mishra 7 years, 2 months ago

Yes

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Write down the cruses of flood droughts water pollution and soil erosion water prevention with prevention

Posted by Yuvraj Singh 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Meghna Thapar 6 years ago

Lack of precipitation either rain or snow for a longer period of time in any region is the cause of drought. Excessive rain in any region leads to flood.

Soil erosion does not occur easily where the land is covered by vegetations. Soil erosion is caused mainly by the large scale cutting down of forest trees and other plants. Large number of trees is cut down for obtaining wood for burning as fuel for building purposes and the manufacture of paper. When the forest trees and other plants are cut down then the top soil gets exposed and becomes loose which causes soil erosion.

The soil erosion could be prevented by preventing large scale cutting down forest trees and by afforestation of large number of plants and trees.

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What is the meaning of sedimantation

Posted by Utkarsh Patil 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Muskan Kumari 7 years, 2 months ago

In simple words it means to let the dirty particles settle down at bottom

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What is the bone marrow?

Posted by Bhavesh Sharma 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Yogita Ingle 7 years, 1 month ago

Bone marrow is a soft spongy or flexible tissue that lies within the hollow interior of long bones. In Adults, bone marrow produces new blood cells.
There are 2 types of bone marrow:
1. Red Marrow that is responsible for producing red blood cells, white blood cells and platlets.
2. Yellow marrow mainly consists of fats cells.

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Condator

Posted by Anugraha Aniachen 7 years, 2 months ago

CBSE > Class 06 > Science (OLD)