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Bridge Materials Strength Investigation
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Bridge Materials Strength Investigation
🌉 Part 1: Understanding Bridge Materials
1. What does 'strength' mean when we talk about materials?
How pretty it looks
How much weight it can hold without breaking
How light it is
2. Circle the materials that bridges can be made from:
Wood
Steel (metal)
Concrete
Ice cream
Plastic
3. Which material do you think is the STRONGEST for building bridges?
Paper
Steel (metal)
Cardboard
Plastic straw
4. How can we test if a bridge material is strong? Circle the best way:
Look at its colour
Put weights on it to see how much it can hold
Smell it
🔬 Part 2: Making Predictions
5. We are going to test these materials by putting weights on them. Put them in order from STRONGEST (1) to WEAKEST (4):
_____ Wooden stick
_____ Steel ruler
_____ Plastic ruler
_____ Cardboard strip
6. Explain WHY you think steel will be stronger than wood:
7. What do you predict will happen when we put too much weight on our test materials?
🎨 Part 3: Design Your Bridge
8. Draw a simple bridge below and label what materials you would use for each part:
9. Why did you choose those materials for your bridge?
10. If you could only use ONE material to build your whole bridge, which would you choose and why?
Material: ________________
Reason: _________________________________________________
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