Deformation & Fluid Pressure
Explain forces associated with deforming objects (elastic and inelastic deformation), thermal expansion and contraction of materials, and how fluid pressure acts in all directions and increases with depth
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Teaching Table · Plan outline
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Check understanding
- Distinguishes elastic deformation (returns to shape) from inelastic/plastic deformation (permanently changed)
- Explains why bridges and railway tracks have expansion gaps
- Explains why pressure increases with depth in a liquid (e.g. why deep-sea divers need pressure suits)
- Gives an everyday example of thermal expansion causing a problem or being used usefully
“If your child noticed the lid on a jar was very tight, could they explain why running it under hot water helps — and what's happening to the metal as it heats up?”
Curriculum record
- Type
- Conceptual
- Subject
- Science
- Domain
- Forces & Motion
- Age range
- Ages 12–13
Standards