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20 Cards in this Set

  • Front
  • Back
Matter (18)
stuff=everything
examples of matter(18)
fruit,baseball,books,statues,folwer,etc
chemical(19)
the study of the properties of matter and how matter changes
elements(19)
a substance that's unable to break down into other substances by chemical or physical means
symbol(20)
1 or 2 letters that represtent the element. Each element has one
example of a compound(20)
carbon dioxide(CO2)
water(H2O)
formula(20)
ratio of hydrogen atoms to oxygen atoms is 2 to 1(H2O)
example of a formula(20)
water(H2O)
mixture(20)
made from 2 or more substances(elements,compounds,or both)that are together in the same place but are not chemically combined into a new substance
elements in beach sand(21)
silicon, oxygen, calcium, and carbon
example of a physical change(22)
chopping wood, cutting paper
chemical change(reaction)(23)
changing in matter that produces new substances(made from original substances)
basic ways that matter can change(23)
physical and chemical changes
atoms(19)
tiny particles that make up elements
building blocks(19)
elements are the building blocks of matter b/c all matter is composed of elements
compound(20)
substances made up of 2 or more chemically compounded in a specific ratio
example of a mixture(20)
nature water isn't found in a pure state but instead it's found as a mixture that contains dissolved oxygen, salts, and other substances
examples of chemical change(23)
rusting of iron and burning of gas in car engine
examples of symbols(20)
Iron(Fe)
physical change(22)
change that alters the form or appearance of a material but doesn't make the material into a different substance