Summary
Explores how the same materials can behave very differently under extreme conditions — extreme cold, pressure, or heat — building students' intuition that all materials have limits and that context determines properties.
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All ages
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Teaching resources
Discussion questions
Discussion
- Why does rubber become brittle in extreme cold?
- How does extreme pressure change the state of matter of a substance?
- What is a superconductor? Under what conditions does it work?
- Why do engineers test materials under extreme conditions before using them in real applications?
Quick work-a-long
Vocabulary: extreme condition, temperature, pressure, brittle, superconductor, state of matter.
Try it: Leave a rubber band in a freezer for 30 minutes, then gently stretch it immediately after removing it. Compare its flexibility to a room-temperature rubber band. What changed? What does this tell engineers about using rubber in cold environments?