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