Method |
Precise Learning Objective |
Linked |
Question / Activity (Designed for maximum working out) |
Stepping Stones |
Pitstop Check (Thinking Map) |
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Plastics are polymers. |
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What is the chemistry name for plastics? |
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There are many different polymers. Their properties determine how they are used. |
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What determines how a polymer is used? Do any of last lessons keywords apply to plastics? |
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Polymers can be flexible, cheap, electrical insulator, strong, tough resistant to chemicals and generally have a low density. |
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Name four properties of some polymers. Which material properties are the opposite of each other?
Tough : Brittle
Flexible : Brittle
Conductor : Insulator |
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Composites are made up of more than type of material. |
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What is a composite material? https://www.youtube.com/watch?v=WYqCnEvTRUQ |
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Composites have a mixture of properties from the materials that make them up. |
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Why are composites used? |
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Reinforced concrete is a composite of concrete (ceramic) and metal bars. |
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Explain why reinforced concrete used for bridges? Testing reinforced and not reinforced ceramic bars.
https://www.youtube.com/watch?v=vuZcPTp51Zk |
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Glass Reinforced Plastics (GRP) are a composite of glass fibres (ceramic) and a plastic (polymer). |
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What are glass Reinforced Plastics? https://www.youtube.com/watch?v=S1RWEGhuQqw |
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