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John Ross Comes

Chapter 12 vocab

Physical properties Characteristics that you can observe directly.
Chemical properties Characteristics that can be only be observe when on substance changes into a different substance.
Strength The ability to maintain shape under the application of force.
Tensile strength A measure of how much stress from pulling or tension a material can withstand before breaking.
Hardness A measure of a solid's resistance to scratching.
Elasticity The ability to be stretched or compressed and then return to original site.
Brittleness The tendency to crack or break.
Ductility The ability to bend without breaking.
Malleability The ability of a solid to be pounded into thin sheets.
Thermal expansion The tendency of the atoms or molecules in a substance (solid,liquid,gas) to take space as the temperature increases.
Fluid Any matter that flows when force is applied.
Pressure The amount of force exerted per unit of area.
Viscosity A measure of a fluid's resistance to flow.
Buoyancy The measure of the upward force that a fluid exerts on an object that is submerged.
Created by: Bud Bud