MHSB - 7 - Science :: Natural Resources

MSCERT-Science-Grade 7

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[Author - Kripa S]

http://cart.ebalbharati.in/BalBooks/pdfs/701020012.pdf#page=113 (Marathi)

http://cart.ebalbharati.in/BalBooks/pdfs/703020012.pdf#page=113 (English)

[Author - Kripa S]

https://www.youtube.com/watch?v=eaWMjQnD5aY (natural resources)

[Author - Kripa S]

https://image.slidesharecdn.com/managementofnaturalresources-130509061140-phpapp01/95/management-of-natural-resources-4-638.jpg?cb=1368079957 (natural resources example)

http://www.eschooltoday.com/natural-resources/images/renewable-and-non-renewable-natural-resources.jpg (types of natural resources)

https://s3.amazonaws.com/learnapt/uploads/lesson/cover_image/511/compressed/terramalata.jpg (pollution)

[Author - Kripa S]

1. Talk to neighbours about the pollution caused by humans to the environment. Try to convince them not to use plastic.

2. Take a white flower, put it into water with some dark water colours in it. You will see the petals of the white flower take the same colour as the water.

3. Find out what are the major constituents of ozone layer.

[Author - Preeta Deshmukh]

https://drive.google.com/open?id=0B4m07xnDF8JpaDVlWFh6RUVwMnM

[Author - Preeta Deshmukh]

https://drive.google.com/open?id=0B4m07xnDF8JpR0Y2S2RmR0UzbFE

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Anonymous user #1

68 months ago

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Good

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Anonymous user #2

68 months ago

Score 1

Can i do revision

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Anonymous user #3

52 months ago

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The part on renewable energy sources is too exhaustive, and is not a part of this chapter. In fact, quite a bit of content after introducing fuels is missing.

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