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Chapter 15 Science

Terms in this set (24)

Substances formed from atoms of two or more elements
compounds
heterogeneous mixture in which visible particles settle
suspension
Freezing, boiling, and evaporation are all examples of
physical change
According to ______________ matter is neither created nor destroyed during a chemical change
Law of conservation of Mass
A mixture in which different materials are easily identified
heterogeneous mixture
Compounds are made from the atoms of two or more ___________
elements
is a process that can separate two liquids using mixtures
Physical change
Bending a copper wire is an example of what type of property?
Physical change
Which of the following is an example of chemical change?
Burning
What type of substance is gelatin?
Colloid
A visible sunbeam is an example of which of the following?
The tynall effect
You start to east some potato chips from an open bag you found in your locker and notice that they taste unpleasant. What do you think might cause this unpleasant taste?
chemical chnage
How would you classify the color of a rose?
Physical property
How would you describe the process of evaporating water from seawater?
Physical change
Which of these warnings refers to a chemical property of the material?
Flammable
Describe the contents of a carton of milk using at least four physical properties.
Light, thick, creamy,
Explain carbon and the gases hydrogen and oxygen combine to form sugar. How do you know sugar is a compound?
It was combined with two are more elements.
Explain why the word colloid means "glue-like." Why was this term chosen to name certain mixtures?
Gelatin
Use nail to determine whether the two items are appropriate which would be ready to observe.
The nail will have the same mass as the orange stuff
What would the report be to discuss the appropriate to oxygen?
Solution mixes thoroughly throughout and a suspension
GOLD
ELEMENT
FOG
COLLIOD
LIQUID AND GAS WATER
COMPOUND
GRANITE
HETEROGENOUS MIXTURE
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