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Scientific vocabulary plus conservation for Upper Primary

adhesion the sticking together of water molecules to other materials (water adhering to paper)
capillary action water adheres to and moves along solid surfaces it touches(water will move up a straw if it is placed into a glass)
cohesion water has high cohesion. Water molecules are attracted to other water molecules.
sublimation when water changes directly from a solid to a gas (mist rising from an ice cube)
frosting a gas turning directly to a solid form
diffusion when two different molecules mix and spread from where there is more of one kind to where there is less of one kind
surface tension on the surface of the water the molecules adhere to each other
molecules smallest physical unit of an element or compound
pressure the exertion of force upon one thing from another thing
freezing water changing from liquid to a solid
melting water changing from solid to a liquid
condensation water changing from gas to a liquid
evaporation water changing from liquid to a gas
water conservation taking care of or saving water in order to not run out
Created by: amyj