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Substances, Mixtures and Solubilty
States of Matter
Properties and Changes of Matter
Scientific Method and Laboratory Safety
Atoms, Elements and the Periodic Table
100
What mixture is not a substance? a. air b. brass c. pizza d. drinking water c. pizza
What is pizza ?
100
What is kinetic energy the energy of? a. temperature b. state c. heat d. motion
What is d. motion
100
What is a chemical change? a. folding a newspaper b. cutting an apple c. making ice d. burning a match
What is d. burning a match
100
What is the factor that is not changed in an expirement? a. variable b. constant c. dependent variable d. independent variable
What is b. constant
100
What happens to matter when it burns? a. it turns to water b. it is not destroyed c. it is destroyed d. it evaporates
What is b. it is not destroyed
200
What is the substance being dissolved to form a solution? a. precipitate b. solute c. solvent d. mixture
What is b. solute
200
What is Archemedes' Principle? a. kinetic energy and density b. buoyancy and density c. pressure and density d. pressure and density
What is b. buoyancy and density
200
What is a physical change? a. melting b. burning c. rusting d. digestion
What is a. melting
200
What is to draw a conclusion about something based on what you observe? a. infer b. hypothesis c. variable d. infix
What is a. infer
200
What is an isotope? an atom with: a. same number of electrons and neutrons b. uncharged neutrons c. same number of protons and different number of neutrons d. different number of electrons and protons
What is c. same number of protons and different number of neutrons
300
What is type of solution is stainless steele an example of? a. solid-solid b. gas- solid c. solid-liquid d. liquid- solid
What is a. solid-solid
300
What is Pascal's Principle applied to? a. solids and liquids only b. all states of matter c. all matter that can flow d. solids and gases only
What is b. all states of matter
300
What is NOT a property of an acid or base? a. living b. harmful c. useful d. edible
What is a. living
300
What is the independent variable in an experiment? a. changes as a result of a change in the independent variable b. the variable that changes c. variable that is not changed d. a factor that involves observing it's effect on another factor
What is b. the variable that changes
300
What is the horizontal columns called on the periodic table? a. periods b. families c. energy levels d. gases
What is a. periods
400
What is a solution that contains all fo the solute it can hold under given conditions? a. dilute b. supersaturated c. unsaturated d. saturated
What is d. saturated
400
What is a description of liquids and gases? a. viscosity b. fluid c. temperature d. atmospheric pressure
What is b. fluid
400
What is a physical change? a. leaves changing colors in fall b. plants making food out of water and carbon dioxide c. wind and water erosion d. wall is blue
What is c. wind and water erosion
400
What is are lab safety precautions necessary? a. to test variables b. to draw graphs c. to protect the safety of everyone d. to test the fire alarm
What is c. to protect the safety of everyone
400
What is a good conductor of electricity? a. nonmetals b. gases c. liquids d. metals
What is d. metals
500
What is the universal solvent?
What is water?
500
What is vaporization? changing from a: a. liquid to a gas b. gas to a liquid c. solid to a liquid d. solid to a liquid
What is vaporization? changing from a: a. liquid to a gas
500
What is density equal to? a volume times mass b. mass times volume c. mass divided by volume d. volume divided by mass
What is c. mass divided by volume
500
What is a hypothesis? a. a controlled experiment b. a logical conclusion c. explanation for why something occurs d. a bias
What is c. explanation for why something occurs
500
What is the negative charge in an atom? a. proton b. nuetron c. electron d. nucleus
What is c. electron