TNSB - 8 - Science :: Minerals (Elements and Compounds) around Us
Go To: TNSB-Science-Grade 8
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[Author - Anu Nived]
Objective: To teach the students about elements/compounds and their classification
Subtopics to be covered:
- Molecules and formulas
- Valency
Learning Outcome:
- Students know about the elements that are found in nature and in our body
-They know how to write formulas to denote a molecule of an element or a compound
- They know the chemical names and components of various compounds in our daily life (Common salt, baking soda, etc.)
[Author - Kripa S]
http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-I-MSSS-TM-3.pdf#page=1 (Tamil Medium)
http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-I-MSSS-EM-3.pdf#page=1 (English Medium)
[Author - Kripa S]
https://www.youtube.com/watch?v=ZkHp_nnU9DY (Introduction to minerals - English)
https://www.youtube.com/watch?v=17l2LrjZi9o (Types of rocks)
[Author - Anu Nived]
http://keydifferences.com/wp-content/uploads/2016/10/solid-vs-liquid-gas.jpg (solids, liquids and gases)
http://pestrevenge.com/wp-content/uploads/2014/12/baking-soda-and-sugar.jpg (compounds around us - Sugar and baking soda)
[Author - Kripa S]
1. In your village, visit a place that has a fence of wire. Take few small marbles or pebbles along with you. Throw them all in one go into the fence. You will observe that few of the pebbles will pass through the fence to the other side, and few will get hit and bounce back. This is how the electrons also move.
[Author - Gayathri Arun]
https://drive.google.com/open?id=0BzNF2YyqQxJ-c1l2eklacW85YTA
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