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John Ross Comes
Chapter 12 vocab
Question | Answer |
---|---|
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. |