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20 Cards in this Set

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