Weight or Mass
description
Transcript of Weight or Mass
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Weight or Mass
Which of the following measurements would be affected by altitude?
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Weight or Mass
Which of the following measurements would be affected by altitude?
Weight is affected by gravity, mass is not
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Which of the following would not be considered matter:
A. atoms B. heat C. alloysD. pudding
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Which of the following would not be considered matter:
A. atoms B. heat C. alloysD. pudding
Heat does not have mass or take up space. It is a form of energy.
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After extensive experimentation what end result of the scientific method offers an explanation of what occurs in nature.
A Law or a Theory
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After extensive experimentation what end result of the scientific method offers an explanation of what occurs in nature.
A Law or a TheoryTheories explain while law merely state what occurs
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Which of the following properties couldn’t you describe quantitatively:
TemperatureTime PressureColor
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Which of the following properties couldn’t you describe quantitatively:TemperatureTime PressureColor
Numbers are not used to describe color.
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What type of matter does jello represent:
a. elementb. compoundc. heterogeneous mixtured. homogeneous mixture
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What type of matter does jello represent:
a. elementb. compoundc. heterogeneous mixtured. homogeneous mixtureWhen you look at a
homogeneous mixture, you only see one thing even though there are several components to the mixture
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What type of matter does Copper II chloride (CuCl2) represent:
a. elementb. compoundc. heterogeneous mixtured. homogeneous mixture
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What type of matter does Copper II chloride (CuCl2) represent:
a. elementb. compoundc. heterogeneous mixtured. homogeneous mixture
Compounds, by definition, must contain two or more different elements.
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What type of matter does this granite represent:a. elementb. compoundc. heterogeneous mixtured. homogeneous mixture
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What type of matter does this granite represent:
a. elementb. compoundc. heterogeneous mixtured. homogeneous mixture
More than one component of a heterogeneous mixture is visible.
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Oskar went into the grocery store in June (2011) and saw a shelf piled high with boxes of candy canes that are on sale. Oskar thinks that this is strange and assumes that they are left over from last winter. He grabs one of the boxes and examines it for a sell by date. The date on the box is 11/2011.
What is Oskar’s Hypothesis?
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Oskar went into the grocery store in June (2011) and saw a shelf piled high with boxes of candy canes that are on sale. Oskar thinks that this is strange and assumes that they are left over from last winter. He grabs one of the boxes and examines it for a sell by date. The date on the box is 11/2011.
What is Oskar’s Hypothesis?The candy canes are left over from last year and outdated
Oskar’s hypothesis was refuted (not supported) by the date on the boxes.
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The observation of this property of matter is always accompanied by a change in the composition of matter?
Physical or Chemical
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The observation of this property of matter is always accompanied by a change in the composition of matter?
Physical or Chemical The composition of matter does not change in a physical change.
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What type of change is represented by the freezing of water to form ice?
Physical or Chemical
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What type of change is represented by the freezing of water to form ice?
Physical or ChemicalWhen water freezes there is no change in the composition (what it is made of). Liquid water and ice are both made of H20.
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What are the three states of matter?
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What are the three states of matter? Solid, Liquid and Gas
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Which of the following is not a physical property?
Temperature Ability to dissolveColorAbility to rust
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Which of the following is not a physical property?
Temperature Ability to dissolveColorAbility to rust
In order to see rust, a change in the composition of the original material must occur. Rust: O
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Which of the following has definite volume and an indefinite shape?
SolidLiquidGas
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Which of the following has definite volume and an indefinite shape?
SolidLiquidGas
𝑫𝒆𝒇𝒊𝒏𝒊𝒕𝒆 𝒔𝒉𝒂𝒑𝒆𝒂𝒏𝒅𝒅𝒆𝒇𝒊𝒏𝒊𝒕𝒆𝒗𝒐𝒍𝒖𝒎𝒆
𝑰𝒏𝒅𝒆𝒇𝒊𝒏𝒊𝒕𝒆 𝒔𝒉𝒂𝒑𝒆𝒂𝒏𝒅𝒅𝒆𝒇𝒊𝒏𝒊𝒕𝒆 𝒗𝒐𝒍𝒖𝒎𝒆
𝑰𝒏𝒅𝒆𝒇𝒊𝒏𝒊𝒕𝒆 𝒔𝒉𝒂𝒑𝒆𝒂𝒏𝒅 𝒊𝒏𝒅𝒆𝒇𝒊𝒏𝒊𝒕𝒆𝒗𝒐𝒍𝒖𝒎𝒆
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Which of the following types of matter can be separated by physical change?
ElementsCompoundsMixtures
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Which of the following types of matter can be separated by physical change?
ElementsCompoundsMixtures
𝑴𝒖𝒔𝒕 𝒃𝒆𝒔𝒆𝒑𝒂𝒓𝒂𝒕𝒆𝒅 𝒄𝒉𝒆𝒎𝒊𝒄𝒂𝒍𝒍𝒚 𝒊𝒏𝒕𝒐𝒆𝒍𝒆𝒎𝒆𝒏𝒕𝒔
𝑵𝒐𝒕 𝒔𝒆𝒑𝒂𝒓𝒂𝒕𝒆𝒅 .𝑻𝒉𝒆𝒚 𝒂𝒓𝒆𝒕𝒉𝒆 𝒔𝒎𝒂𝒍𝒍𝒆𝒔𝒕𝒖𝒏𝒊𝒕 𝒐𝒇 𝒎𝒂𝒕𝒕𝒆𝒓
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A solution is another name for:
elementcompoundhomogeneous mixtureheterogeneous mixture
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A solution is another name for:
elementcompoundhomogeneous mixtureheterogeneous mixture
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What type of matter is oxygen (O2)?
elementcompoundhomogeneous mixtureheterogeneous mixture
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What type of matter is oxygen (O2)?
elementcompoundhomogeneous mixtureheterogeneous mixture
s not contain two or more different elements
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What separation technique would be used to separate a heterogeneous mixture containing a solid and a liquid?
distillationchromatographyfiltration crystallization
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What separation technique would be used to separate a heterogeneous mixture containing a solid and a liquid?
distillationchromatographyfiltration crystallization
𝑩𝒂𝒔𝒆𝒅𝒐𝒏𝒕𝒉𝒆 𝒔𝒊𝒛𝒆𝒐𝒇 𝒕𝒉𝒆𝒄𝒐𝒎𝒑𝒐𝒏𝒆𝒏𝒕𝒔 𝒊𝒏𝒕𝒉𝒆𝒎𝒊𝒙𝒕𝒖𝒓𝒆
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What separation technique would be used to separate a homogeneous mixture containing a solid and a liquid?
distillationchromatographyfiltrationcrystallization
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What separtation technique would be used to separate a homogeneous mixture containing a solid and a liquid?
distillationchromatographyfiltrationcrystallization
.
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What technique uses the physical property of boiling point to separate components of a mixture?
distillationchromatographyfiltrationcrystallization
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What technique uses the physical property of boiling point to separate components of a mixture?
distillationchromatographyfiltrationcrystallization
. Substances with lower boiling points Will vaporize first and the gas can be condensed back to A liquid.
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What type of reaction is associated with the absorption of energy?
Exothermic or Endothermic
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What type of reaction is associated with the absorption of energy?
Exothermic or Endothermic𝑬𝒙𝒐𝒕𝒉𝒆𝒓𝒎𝒊𝒄 𝒓𝒆𝒂𝒄𝒕𝒊𝒐𝒏𝒔 𝒓𝒆𝒍𝒆𝒂𝒔𝒆𝒉𝒆𝒂𝒕 𝒕𝒉𝒂𝒕𝒘𝒆𝒄𝒂𝒏𝒔𝒆𝒏𝒔𝒆 .
𝑬𝒏𝒅𝒐𝒕𝒉𝒆𝒓𝒎𝒊𝒄 𝒓𝒆𝒂𝒄𝒕𝒊𝒐𝒏𝒔𝒂𝒃𝒔𝒐𝒓𝒃𝒉𝒆𝒂𝒕 .𝑾𝒆𝒔𝒆𝒏𝒔𝒆𝒕𝒉𝒆 𝒔𝒖𝒓𝒓𝒐𝒖𝒏𝒅𝒊𝒏𝒈𝒔 𝒈𝒆𝒕𝒕𝒊𝒏𝒈𝒄𝒐𝒍𝒅 .
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According to the Law of Conservation of Mass, what must the mass of CO2 be in the following equation?
C6H12O6 + 6O2 6CO2 + 6H2O54g + 98g = ___ + 53g
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According to the Law of Conservation of Mass, what must the mass of CO2 be in the following equation?
C6H12O6 + 6O2 6CO2 + 6H2O54g + 98g = _99g_ + 53g𝑻𝒉𝒆𝒎𝒂𝒔𝒔𝒐𝒇 𝒕𝒉𝒆𝒓𝒆𝒂𝒄𝒕𝒂𝒏𝒕𝒔𝒎𝒖𝒔𝒕 𝒆𝒒𝒖𝒂𝒍 𝒕𝒉𝒆𝒎𝒂𝒔𝒔𝒐𝒇 𝒕𝒉𝒆𝒑𝒓𝒐𝒅𝒖𝒄𝒕𝒔
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Which of the following is not an indication of a chemical change?
formation of a gaschange in colorformation of a precipitatemelting
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Which of the following is not an indication of a chemical change?
formation of a gaschange in colorformation of a precipitatemelting
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Which of the two substances is more dense?
A or
B23
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Which of the two substances is more dense?
A or
B
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Solve the following word problem:
What is the volume of a 5 pound (2270 g) gummy bear if its density is 1.56 g/ml?
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Solve the following word problem:
What is the volume of a 5 pound (2270 g) gummy bear if its density is 1.56 g/ml?
𝐷=𝑀𝑉 𝑉=
𝑀𝐷 =
2270 𝑔1.56𝑔 /𝑚𝐿=1455𝑚𝐿𝑜𝑟 1.5𝐿