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20 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Why is Chemistry called the Central Science?
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Because every revolves around Chemistry
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Start to finish
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What is Chemistry?
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The study of matter and the transformation the matter under goes.
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changes
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What are three things that chemsitry has helped us improve?
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Economy
Macro-environment Fuels, fibers and fertilizers |
the world
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What are the three phases of matter?
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Solid
Liquid Gas |
ice
water steam |
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What are the phase changes
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solid to liquid (melting)
solid to gas (evaporation) Liquid to solid (Freezing) liquid to gas (boiling) gas to solid (condensation) gas to liquid |
ice melting
steam water to ice boiling water steaming shower |
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What happens when we add heat to particles
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they spread apart and move faster
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liquid to gas
boiling water |
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what is a chemical change
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process of forming a new substance Wood burning
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campfire
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what is a physical change
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a change in some physical property of a substance Melting of ice
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What are 5 physical properties
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color
hardness density texture phase |
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what is an element
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anything that consists of a atom Copper
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what is a compound
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when atoms of different elements attach to one another Hydrogen and Oxygen
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What is a mixture
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When two things are put together but you can easily separate them Salt Water
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What is distillation
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the process of collecting a vaporized substance
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what is pure matter
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consists of only a single element or compound
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what is impure matter
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consists of more than one element or compound
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What is a heterogeneous mixture?
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a mixture made of of different components that can be seen Tacos
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What is a homogeneous mixture
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a mixture made up of the same thing milk
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what is a solution
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all of the components are in the same phase
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what is a suspension
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the components are in different phases
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what is matter
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anything that has mass and takes up space
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