Secondary School (English Medium) (5 to 8) इयत्ता ६ - CBSE Question Bank Solutions for Science

Which statement out of the following is incorrect?

Which of the following materials did people use in ancient times for making clothes?

1. Leaves of trees
2. Newspaper
3. Metal foils
4. Animal skins and furs

Provide a suitable term that expresses the meaning of the following statement.

Worms converting certain kinds of waste into manure.

Paheli was writing a letter to her friend. She crumpled and threw the first draft of her letter on the floor as it had become untidy. Similarly she crumpled and threw 6 more papers on the ground. In the end, she picked them up and put them in a polythene bag and threw it on the road outside her house. Do you think Paheli’s action were responsible? What would you have done if you were in her place?

The pie charts A and B shown in the following figure are based on waste segregation method adopted by two families X and Y respectively.

  Metal

  Kitchen Waste

  Polythene Bags

  News Paper

  Kitchen Waste and Polythene Bags

Which of the two families X or Y do you think is more environmentally conscious and why?

Answer the following question in one or two words or sentences:

Why should we prefer to use paper bags rather than polythene bags?

How many muscles work together to move a bone?

What would have happened if our backbone was made of one single bone?

Provide one word answers to the statement given below.

Bones which enclose the organs of our body that lie below the abdomen.

Which amongst the following methods would be most appropriate to separate grains from bundles of stalks?

______ are obtained from stalks by threshing. 

Bones are hard structures and cannot be bent. But, we can still bend our elbow, knee, etc. How is this possible?

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

neosb ................

Can the stem of a plant be compared with a street with two-way traffic? Give reason.

Four pieces of wooden sticks A, B, C and D are placed along the length of 30 cm long scale as shown in the following figure. Which one of them is 3.4 cm in length?

Which of the following figure shows the correct placement of a block along a scale for measuring its length?

You are provided three scales A, B and C as shown in the following figure to measure a length of 10 cm.

For the correct measurement of the length you will use the scale

SI unit of length is ______.

Four children measure the length of a table which was about 2 m. Each of them used different ways to measure it.

1. Sam measured it with a half metre long thread.
2. Gurmeet measured it with a 15 cm scale from her geometry box.
3. Reena measured it using her hand span.
4. Salim measured it using a 5 m long measuring tape.

Which one of them would get the most accurate length? Give reason for your answer.

While travelling in a train, it appears that the trees near the track are moving whereas co-passengers appear to be stationary. Explain the reason.