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Diamond - hardest natural substance. Properties of Solids. 1. Hardness - resistance to scratching. Properties of Solids. 2. Elasticity - ability to be stretched & return to its original size. FYI - solids are more elastic than liquids & gases.
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Diamond - hardest natural substance Properties of Solids 1. Hardness- resistance to scratching
Properties of Solids 2.Elasticity - ability to be stretched & return to its original size FYI - solids are more elastic than liquids & gases
3. Brittleness- a material’s tendency to shatter Properties of Solids
4. Malleability- ability to be pounded into sheets Properties of Solids
Properties of Solids 5. Tensile Strength- how much pulling or stretching a material can w/stand before breaking
= Gas What is a fluid? • A “fluid” is any substance that can flow. • This includes both liquids & gases. Liquid
Properties of Fluids • Density- the amount of matter in a particular space or volume -the heaviness of a substance ex. 1 L of sand is more dense than 1L of water is more dense than 1L or oxygen
EXCEPTION: water is less dense as a solid Properties of Fluids With density, an increase in volume results in density decrease • Particles spread out
Properties of Fluids 2. Buoyancy- measure of upward force a fluid exerts on an object
Archimedes Principle Buoyant force is = to weight of the fluid displaced FLOAT if b.f. > weight SINK if b.f. < weight NEUTRAL BUOYANCY if b.f. = weight Click next slide to play Titanic Clip (5:36)
Properties of Fluids 3. Viscosity- measures a fluid’s resistance to flow high viscosity = slow flow (ketchup, honey) low viscosity = fast flow(water)
YLiquid: an increase in temperature LOWERS viscosity ES! Factors that affect viscosity are: Temperature Gas: increase temperature INCREASES viscosity Can viscosity be altered?