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Brittle
Describes a solid that breaks or shatters when deformed, with little permanent bending.
Brownian motion
The random jittery motion of small visible particles (like smoke or pollen) caused by countless random collisions with much smaller molecules in a gas or liquid.
Ductile
Describes a material that can be stretched into a wire without breaking.
Kinetic theory
A model of matter (especially gases) in which particles are in constant random motion and macroscopic properties like temperature and pressure arise from their collisions.
Malleable
Describes a material that can be permanently deformed under compression (e.g., hammered or rolled) without breaking.
Plasma
The liquid portion of the blood
State Of Matter
A physical form of a substance (such as solid, liquid, gas, or plasma) determined by how its particles are arranged and how strongly they interact.