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Definition of First Aid | Week 17 Topics1 Quiz
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Rescue Operation | Week 23 Topics1 Quiz
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Materials & their Common Uses (Wood) | Week 36 Topics1 Quiz
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Materials & their Common Uses (Metal) | Week 46 Topics1 Quiz
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Uses of Common Alloys (Brass & Bronze) | Week 5 & 67 Topics1 Quiz
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Uses of Ceramics and Glass (Contd) | Week 7 & 84 Topics1 Quiz
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Uses of Plastics | Week 94 Topics1 Quiz
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Uses of Rubber | Week 103 Topics1 Quiz
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Topic Content:
- Definition of Metals
What are Metals?
Metals are solid materials obtained from a natural product known as iron ore found in some places under the earth.
Metals show a lustrous appearance, and are good conductors of heat and electricity. Other important properties include their ductility and malleability.
The most abundant varieties in the Earth’s crust are aluminum, iron, calcium, sodium, potassium, and magnesium.
Recap:
In JSS1, we were introduced to metals, were we:
- gave the definition of a metal
- gave examples of metals and their uses
- discussed their physical properties