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Material Properties Challenge
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Material Properties Challenge
🔬 Part 1: Material Properties Knowledge
1. Which property best describes a material that allows light to pass through it completely?
Opaque
Translucent
Transparent
Reflective
2. A material that can be bent without breaking is described as:
Brittle
Flexible
Rigid
Porous
3. Which materials would be suitable for making a waterproof raincoat? (Select all that apply)
Plastic
Cotton fabric
Rubber
Paper
Synthetic polymer
4. Steel is chosen for building bridges because it is:
Lightweight and transparent
Strong and durable
Flexible and soft
Cheap and disposable
🧠 Part 2: Critical Thinking & Analysis
5. Compare glass and plastic for making drink bottles. Explain two advantages and one disadvantage of each material.
Glass advantages:
Glass disadvantage:
Plastic advantages:
Plastic disadvantage:
6. A designer needs to choose materials for a playground slide. Explain why metal would be better than wood, considering at least three material properties.
7. Fill in the blanks: Window frames are often made from __________ or __________ because these materials are __________ to weather and provide good __________.
8. Predict what would happen if car tyres were made from hard plastic instead of rubber. Explain your reasoning using material properties.
🔍 Part 3: Hands-On Investigation
9. Material Classification Challenge: Look around your classroom and find 6 different materials. Complete the table below by testing their properties.
Materials to find and test: Paper, metal (paperclip/ruler), plastic (pen/container), fabric, wood, glass/ceramic
| Material | Flexible? (Y/N) | Transparent? (Y/N) | Rough/Smooth? | Best Use |
|---|---|---|---|---|
10. Based on your investigation, which material surprised you the most? Explain why and describe one property you didn't expect.
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