Secondary School (English Medium) (5 to 8) Class 6 - CBSE Question Bank Solutions for Science

You are provided with the following materials – turmeric, honey, mustard oil, water, glucose, rice flour, groundnut oil.

Make any three pairs of substances where one substance is soluble in the other and any three pairs of substances where one substance remains insoluble in the other substances.

During summer holidays, a group of children collected a lump of salt, green grass, broken glass piece, a small thermocol box, pen, iron nail, glass marbles, hair, naphthalene ball, a piece of sugar candy (mishri) and tried to group them on the basis of properties given in table below. Help them in filling the table.

Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.

milaunuim

Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.

tcaslpi

Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.

soekrnee

Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.

gavnier

Provide one word answers to the statement given below.

Framework of bones which gives shape to our body.

Chalk, iron nail, wood, aluminium, candle, cotton usually look different from each other. Give some properties by which we can prove that these materials are different.

Boojho’s grandmother is suffering from diabetes. Her doctor advised her to take ‘Lassi’ with less fat content. Which of the following methods would be most appropriate for Boojho to prepare it?

Paheli asked for a glass of water from Boojho. He gave her a glass of ice cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho how these droplets of water were formed. Which of the following should be Boojho’s answer?

State whether the following statement is true or false.

A mixture of oil and water can be separated by filtration.

Unscramble the jumbled word and write it in the blank space provided.

arctigeal ................

State whether the following statement is true or false.

A mixture of wheat grains and wheat flour can be separated by sieving.

State whether the following statement is true or false.

A mixture of iron filings and rice flour can be separated by magnet.

Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?

How is the skeleton of a bird well-suited for flying?

Match the mixtures in column I with their method of separation in column II.

You are provided with a mixture of salt, sand, oil and water. Write the steps involved for the separation of salt, sand and oil from the mixture by giving an activity along with the diagram. 

A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.

Iron rim is made slightly smaller than the wooden wheel. The rim is usually heated before fixing into the wooden wheel, because on heating the iron rim ______.