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GCSE Chemistry · key term
The tendency of a material to break rather than bend when a force is applied.
Used by Edexcel and OCR
Specification 9.39C · Paper 2
The tendency to fracture with little bending or permanent deformation.
Revise: Material SelectionFired clay is hard and can resist large compressive forces, making bricks suitable for walls. Its brittleness makes it much less suitable where repeated bending or impact is expected.
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
The tendency to break with little permanent deformation beforehand.
Revise: Comparing material propertiesBrittleness is the tendency to break with little permanent change of shape first. A glass surface can resist scratches yet shatter when struck: being hard does not prevent a material from being brittle.
The tendency of a material to break rather than change shape when stressed.
The tendency of a material to fracture rather than bend or deform.
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