Hello!
How are you? Today here are some pictures that each show a basis of some common material (物質).
Let's look at one example - glass. Look at the beautiful stained glass in the picture at the top. Before anything, what would be one thing you need to make glass?
You first need silica sand, which you can see below:
You would also need limestone, which you can also see here:
These are examples of two (2) things you would need to make glass.
Activity/homework
So let's try this! Look at these pictures below. Can you guess which bases you need to form some common materials? Can you match the right materials to the right bases? In addition, can you think of some other possible bases on your own that you might need to make these common materials?
Here are the materials:
Have fun!
Let's look at one example - glass. Look at the beautiful stained glass in the picture at the top. Before anything, what would be one thing you need to make glass?
You first need silica sand, which you can see below:
You would also need limestone, which you can also see here:
Activity/homework
So let's try this! Look at these pictures below. Can you guess which bases you need to form some common materials? Can you match the right materials to the right bases? In addition, can you think of some other possible bases on your own that you might need to make these common materials?
Here are the materials:
plastic paper steel rubber
Here are the bases:
oil latex iron
water carbon pulp
Let's start!
NEW! Here are the board notes for our class on 9/27:
See you next time!
Images: Top - Stained glass in cathedral - by Uoaei1 - Own work, CC BY-SA 4.0,
https://commons.wikimedia.org/w/index.php?curid=72325121/Silica sand pit - by Helen Wilkinson, CC BY-SA 2.0,
https://commons.wikimedia.org/w/index.php?curid=13936300/Lime quarry - by Thomas Bjørkan - own work, CC BY-SA 3.0,
https://commons.wikimedia.org/w/index.php?curid=15447464/Iron chunks - by Alchemist-hp (talk) (www.pse-mendelejew.de) - Own work, FAL, https://commons.wikimedia.org/w/index.php?curid=10115787/Pulp mill - by Florida Memory - A worker mixing the pulp at the Florida
Pulp and Paper Company mill: Cantonment, Florida, No restrictions,
https://commons.wikimedia.org/w/index.php?curid=6084190/Water - by Sander van der Wel from Netherlands - Waterdrops,
CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=28145942/Oil - screenshot of image from https://www.brecorder.com/2019/05/24/498877/india-has-ended-iranian-oil-imports/Carbon chunk - cropped shot of image by Commons:Robert Lavinsky
- File:Diamond-and-graphite-with-scale.jpg, CC BY-SA 3.0,
https://commons.wikimedia.org/w/index.php?curid=39385953/Latex - by PRA - Own work, CC BY-SA 3.0,
https://commons.wikimedia.org/w/index.php?curid=9038298/Board notes - personal photographs. All rights reserved.
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