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Laabri

Year 8 composites and smart materials. (RGSHW).

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Last updated 12 months ago
13 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

A Formative about composite and smart materials with drag and drop questions and embedded vieos.

Complete the formative and make a set of bullet points on

a) composite materials - include descriptions and examples and their uses.

b) smart materials - include descriptions and examples and their uses.

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Smart materials
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.
Mmuae Afoforo a Wobɛpaw:
Houses
Streets
composites
properties
Asemmisa {{asɛmmisaAhyɛnsode}}
2.
Mmuae Afoforo a Wobɛpaw:
Star wars
Star trek
matrix
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3.
Mmuae Afoforo a Wobɛpaw:
Matrix
reinforcement
Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Label the diagram.

Mmuae Afoforo a Wobɛpaw:
Carbon fibre - reinforcement
Concrete - matrix
Asemmisa {{asɛmmisaAhyɛnsode}}
5.

A composite is any material made of at least two other materials.

Mmuae Afoforo a Wobɛpaw:
Iron bar reinforcement
Concrete matrix
Asemmisa {{asɛmmisaAhyɛnsode}}
6.
Mmuae Afoforo a Wobɛpaw:
matrix
Reinforcement
Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Other types of composites exist.

Mmuae Afoforo a Wobɛpaw:
Bendable for comfort
Water resitant
Asemmisa {{asɛmmisaAhyɛnsode}}
8.

  • Change colour

  • Affected by heat

  • Affected by light

  • Similarity

  • Differences

Asemmisa {{asɛmmisaAhyɛnsode}}
9.
Mmuae Afoforo a Wobɛpaw:

Shape-memory alloys (SMA)

colour-changing mugs
Thermochromic
spectacle
Asemmisa {{asɛmmisaAhyɛnsode}}
10.
Mmuae Afoforo a Wobɛpaw:
insulator

Quantum-tunnelling composite

conductor
sunglasses

Photochromic

smartphones
Asemmisa {{asɛmmisaAhyɛnsode}}
11.
Mmuae Afoforo a Wobɛpaw:
magnetic

Polymorph

modelling
corrosion

Self-healing materials

Ferrofluids

Asemmisa {{asɛmmisaAhyɛnsode}}
12.
Mmuae Afoforo a Wobɛpaw:
Thermochromic - changes colour due to changing temperature
Photochromic - changes colour due to changing light
Asemmisa {{asɛmmisaAhyɛnsode}}
13.

https://youtu.be/p1Ggc8anKm4

Mmuae Afoforo a Wobɛpaw:
Hydrogel
Structure has cross links and a structure that can absorb water.