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This question asks us to name a minimum of five elemental materials, some personal and some around your house, that you make use of daily that are not chemically changed from their natural states through regular use.
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Think about materials that are found on the periodic chart.
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The first thing that comes to mind are metals.
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Personally, i cook with iron pans.
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We often call them cast iron.
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And in fact, some of the new induction.
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Cooktops require that you use cast iron pans or steel.
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One other that comes to mind is copper.
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We'll use it for many things.
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One common in a thing is a copper kettle.
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We also use it in our wiring, our electrical wiring.
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Aluminum is often commonly used and you may have aluminum pans as well or aluminum cans for drinking soda or or canned vegetables.
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So you have soda and packaged food.
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Some personal install.
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These are mostly around your house.
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Let's look at personal.
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Personal would be oxygen for breathing.
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Oh, not chemically changed through their regular use.
01:42
Well, we better not use that then because we do chemically change that through cellular respiration...