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Science Chapter 16

Study Guide Flash Cards Chapter 16

QuestionAnswer
Matter Anything that has mass and takes up space
Substance Is a type of matter with a fixed compostion
Element Is made up of one type atom
Compound Is a substance in which the atoms of 2 or more elements are combined in a fixed proportion
Heterogeneous Mixture Is a mixture in which different materials can be distinguished easily
Homogeneous Mixture Is a mixture that contains 2 or more gaseous liquid, or solid substances blended evenly throughout
Solution Is a homogeneous mixture of particles so small they cannot be seen in a microscope
Colloid Is a type of mixture with particles that are larger the those in solutions but not heavy enough to settle
Tyndall Effect Is the scattering of light by colloid particles
Suspension Suspension is a heterogeneous mixture containing a liquid in which visible particles settle
Physical Property Characteristics that you can observe without changing the identity of the substances
Physical Change Change in size, shape, or state of matter
Distillation The process for separating substances in a mixture by evaporating a liquid and recondensing its vapor
Chemical Property Is a characteristic of a substance that indicates whether it can undergo a certain chemical change
Chemical Change A change from one substance to another- Substance changes
Law of Conservation of Mass/Matter Matter can not be changed nor destroyed
List 10 physical properties Size, shape, color, density, texture, boiling point, cooling point, stretchy, breakable, state of matter.
Describe how distillation is used to purify crude oil. You slowly boil the oil and the different substances will separate then the vapor will go through the cold tube and condense, then change the flask and turn up the heat and then do the process again.
List 5 indications of a chemical change. Color change, creation of gas, change in properties, change in temperature, precipitation.
Identifications of chemical properties Rusting, burning, photo sensitivity
A change of state is........ (melting, vaporizing) A Physical property
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