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What’s It Made Of?METAL
Created by Ellen Weber, Ed.S., CCC-SLP, 2008
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There are 72 different metals that are known today. Most metals come from the ground.
gold silver copper
Sometimes you can find them in nuggets. A nugget is a small chunk of the metal all by itself.
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Sometimes nuggets wash down from the mountains. You might find nuggets in rivers and streams.
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This girl is panning. You swish some ground around in a pan with water, and the gold will separate from the dirt. This is how they get the nuggets out of the rivers and streams.
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Gold mining companies use bigdredges on a river.
Dredges do the same thing as panning – they separate the gold from the dirt.
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Lots of other kinds of metal are mixed in with other things inside rocks.
It’s a little harder to get the ore out of the rock.
This is called ore.
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Mining companies dig the ore out of the ground.
This place is called a mine.
Sometimes they dig long tunnels deep into the earth. It’s very dangerous to work in these tunnels.
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Sometimes they dig a strip mine.
This is where they cut away the ground in layers that look like steps.
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They haul away the rocks in huge trucks called rock haulers.
See how big it is compared to a regular SUV? Just the tires are as tall as a house!
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Then they heat the rocks until they melt.
When it melts, the metalcan be separated fromthe other minerals in the rock.
This is called smelting.
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A person who digs for metals is called a miner.
A miner uses special tools and wears special clothing for his job.
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hardhat headlight
pick
coveralls gloves
lantern
boots
Guess which ones are tools, and which are clothing. Play the Categories game at the end of this lesson.
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What makes metal special?
Metal conducts electricity and heat. That means that it carries the heat or electricity from one place to another.
The wires that bring electricity to your house have metal inside.
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Sometimes when you run electricity through certain metals, it makes a magnet.
A magnet sticks to other metals.
They can be any size or shape.
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What things are made of metal?One of the first things we used metal for was money.
Can you find the gold one?
Where is the copper one?
How many silver coins do you see?
Play our game at the end to guess the metal objects.
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How do we know it’s metal?
We can touch it with our
When we touch it, metal feels hard and a little bit
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We can see metal with our
Metal is very strong, so we can see them using it in buildings.
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We can also see it can be shiny.
That is why we use it for jewelry.
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We can hear metal with our
If we tap it, it almost rings or clangs. That is why they use it to make bells and wind chimes.
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We can smell metal with our
especially when it is hot.
Did you ever smell Mom ironing your clothes? PU!
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We can taste metal with our
We already know what it tastes like. You taste it every time you eat with a spoon or fork!
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Test your memory! WH- ? questions
Vocabulary Match
Activities
Guess The Metal Objects
Categories
Start OverExit
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