Subject: SCIENCE Date: 16/06/2020 CH -4 Materials: Metals and Non-Metals Class detail and class homework

Subject: SCIENCE
Date: 16/06/2020
VIRTUAL ONLINE CLASSES

CH -4 Materials: Metals and Non-Metals



TOPIC TAUGHT:

  • USES OF METALS & NON METALS( today)
Note:
  • Watch VIDEO NO.6 from between us portal.
  •  Solve worksheet 1 from the between us portal.(UPLOAD IT ON BETWEEN US AFTER COMPLETING)
  • Solve Textual exercise Q.5,6 and 7 in the note book.

HOME WORK:

Q.1)Fill in the blanks:

1.Metals like _____ is used in making water pipes, in storage batteries, in making alloys and in paints.
2. _________ is used in thermometers.
3.__________ is used as a catalyst in many industrial processes as well as for electroplating and in the manufacture of stainless steel.
4.Radioactive metals like________ and _________are used in nuclear power plants to produce atomic energy.
5.________ and _________is used for making ammonia.
6. Liquid hydrogen is used as fuel in __________.
7._______ is used in the purification of water.
8.________ is used in making electronic components such as transistors, integrated circuits, microprocessors and chips used in computers.
9. Liquid _______ is used to preserve biological specimens by providing low temperatures.
10. _________ is used as a decolorising agent as well in water filters as an adsorbent.

Q.2 Answer the following question:

1. Form a table of uses of metal.
2.Form a table of uses of non metal.
(Note:
for q.1 and 2
In table form heading use such as
1.metals/non metal   
2.uses(mention in points ))




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