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[Description]
Limestone
Introduce topics of composition and occurrence of limestone.Limestone is a rock composed largely of calcium carbonate.This compound accounts for over 50% of the rock.
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| 2. |
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[Animation]
What do limestone, chalk and marble consist of?
Show animation. Introduce what limestone, chalk and marble consist of.
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[Slideshow]
Application of limestone in construction
Show animation to present application of limestone in construction
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[Slideshow]
Marble
Show slideshow. Occurrence and application of marble.
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[Whiteboard exercise]
Limestone, chalk, marble
Have student(s) come to board to choose calcium carbonate rocks.
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[Animation]
Decomposition of calcium carbonate
Show animation about decomposition of calcium carbonate. Presentation of equation of reaction. Determine products of decomposition of calcium carbonate.
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| 7. |
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[Whiteboard exercise]
Quicklime and slaked lime
Have student(s) come to whiteboard. Class discussion to lead to completion of drag & drop exercise including diagram about processes that occur during the preparation of quicklime.
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[Animation]
Obtaining slaked lime
Show animation about obtaining slaked lime Presentation of equation of reaction. Determine reaction substrates and product.
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| 9. |
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[Slideshow]
Mortar
Show slideshow. Determine composition of mortar and describe hardening of mortar.
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| 10. |
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[Whiteboard exercise]
Mortar
Have student(s) come to whiteboard and complete True/False statements.
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| 11. |
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[Simulation]
Preparing and hardening of mortar
Have students come to whiteboard, each of them to prepare their own mortar by choosing suitable components from the list and then compare results of bricklayer's work.
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| 12. |
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[Animation]
Production of cement
Show animation about production of cement and emphasise that cement is produced from limestone, clay and sand at high temperature.
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| 13. |
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[Whiteboard exercise]
Cement, concrete
Have student(s) come to whiteboard to complete drag & drop exercise including diagram about production of cement.
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[Animation]
Production of glass
Introduce main component of glass - silicon dioxide, otherwise known as silica, is a substance commonly found in the Earth's crust in the form of sand. Show animation about production of glass.
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[Whiteboard exercise]
Glass
Have students come to whiteboard and complete the statements.
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[Slideshow]
Applications of glass
Show slideshow about applications of glass.
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| 17. |
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[Simulation]
Preparation of glass
Have students come to whiteboard, each of them prepare their own glass bottle or glass panel and then compare results.
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