Unit 13 Week of August 22 2016 S8P1 Students will examine the scientific view of the nature of matter e Distinguish between changes in matter as physical ie physical change or chemical development of a gas formation of precipitate and change in color ID: 698923
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Slide1
Vocabulary – On-level
Matter
Unit 1.3
Week of August 22, 2016Slide2
S8P1. Students will examine the scientific view of the nature of matter.
e. Distinguish between changes in matter as physical (i.e., physical change) or chemical (development of a gas, formation of precipitate, and change in color). Slide3Slide4
Physical Changes
A change in a substance that does not change its identity.
It is still the same substance after a change.
Examples:
crumpling a sheet of aluminum foil
melting an ice cube
casting silver in a mold
breaking a bottleSlide5
Chemical Change
A Change in which one or more substances combine or break apart to form a new substance.
Examples:
burning wood
mixing acid and base
digesting food
cooking an egg
baking a cake
rusting of ironSlide6
Chemical vs. Physical Change Video
https://www.youtube.com/watch?v=BgM3e8YZxucSlide7
Precipitate
A solid that forms from a solution during a chemical reaction.Slide8
Precipitate Example Video
https://www.youtube.com/watch?v=73dw6w0zNXASlide9
Reactivity
The ease and speed with which an element combines, or reacts, with other elements and compounds.Slide10
Tarnish
A thin layer of corrosion that forms over some metals as their outermost layer undergoes a chemical reaction.
Examples:
Rust on a Nail
Silver that turns darkSlide11
Oxidation
Oxidation is the process when oxygen combines with an element, changing the appearance of the element.
Example:
When iron reacts with oxygen and changes to rust, this is an example of oxidation.
When an apple turns brown.Slide12
Oxidation
http://study.com/academy/lesson/what-is-oxidation-definition-process-examples.htmlSlide13
Flammability
Flammability is the ability of a substance to burn or ignite, causing fire or combustion. Slide14
Quizlet – Matter 2.1
Go
to Quizlet.com. Search AMS Physical Science. Go to classes tab. Select Matter 2.1.