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chapter 8-physics
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1.
5 points
Different types of _____ have different characteristics.
Answer:
2.
5 points
They melt and ________ at different temperatures.
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3.
5 points
Characteristics that you can see through direct observation are called ____________ properties.
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4.
5 points
Substances can often be ______ by their physical properties.
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5.
5 points
A physical ____ is any change in size, shape, or phase of matter in which the identity of a substance does not change.
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6.
5 points
__________ changes are reversible.
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7.
5 points
The change can easily be reverses by _________ the water.
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8.
5 points
Bending a steel _______ is another physical property.
Answer:
9.
5 points
Properties that can only be observed when one substance changes into a _________ substance are called chemical properties.
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10.
5 points
A chemical property of _________ is that it reacts with oxygen in the air to form iron oxide (rust).
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11.
5 points
___________ is the ratio of mass to volume.
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12.
5 points
Density is a __________ of solids, liquids, and gases.
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13.
5 points
TO find the density of a material, you can _________ its mass by its volume.
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14.
5 points
You can calculate mass if you know ________ and volume.
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15.
5 points
The densities of a steel nail and a steel cube are the __________.
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16.
5 points
Solids have a wide range of _____________.
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17.
5 points
The density of air and other ___________ is much lower.
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18.
5 points
The density of a material depend on two _________.
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19.
5 points
One is the individual mass of each ________ or molecule.
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20.
5 points
Density also depends on how ____________ the atoms and molecules are packed.
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21.
5 points
The atoms or molecules in a solid are arranged in two _______.
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22.
5 points
If the particles are arranged in an orderly, repeating ________, the solid is called crystalline.
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23.
5 points
If the particles are arranged in a _______ way, the solid is amorphous.
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24.
5 points
Most solids on Earth are ________.
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25.
5 points
The word amorphous comes from the _________ for "without shape."
Answer:
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