Vocabulary Words | Meaning |
flood | is a great flow of water over an area that is usually dry land. |
weathering | A slow destructive process tats breaks down rocks. |
mechanical Weathering | breaking of rock into smaller pieces by gravity,ice,plant roots, or other factors. |
chemical weathering | is the changing of materials in a rock by chemical processes. |
erosion | is the movement of materials away from one place. |
deposition | is the materials in a new place. |
landslide | occurs when gravity quickly pulls rocks and dirt downhill. |
volcano | is an opening in earths crust through which steam,lava, and ashes erupt. |
earthquake | is the shaking of earths surface caused by the relase of energy along a fault. |
mixture | two or more substances that are mixed together but not chemically combined |
solution | one or more substances are dissolved in another substance. |
sifting | smaller materials pass throughout holes leaving the larger materials behind. |
magnetism | is a force that pulls on certain objects. |
polution | is the release of harmful things into the environment A pollutant is the substance that is released from a source of polution. |
foltation | is the process of useing a liquid to sparate materials of diffrent densities. |
filtaration | it seperate solid from liquads. |
evaoration | is the changeing of liquad water to water vapor |
chormatography | is a process of separating substances by dissolving them in special liquids. |
solute | the substance that dissolves |
sovent | the substance which the solute is being dissloved |
concentration | the solution is a measure of the amount of solute compared to the amount of solvent |
rate of solution | how quickly a solute dissolves |
compound | a type of matter made of a combination of elements |
Motion | is the change in position of an object |
Point of reference | The location against which motion is measured is know as the point of reference. |
Force | A force is a push or pull that acts on an object |
gravity | is the force of attraction that exists between any two objects. |
friction | is a force that resists the movement of one surface past another surface |