Completion
Complete each
statement.
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1.
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The melting point of ice is a(n) ____________________ property.
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2.
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Density is a(n) ____________________ property.
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3.
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____________________ changes produce new substances.
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4.
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The total ____________________ of original and new substances is the same after
a chemical change.
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5.
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Stainless steel’s ability to resist rust is a(n) ____________________
property.
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6.
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The unit for measuring density is ____________________.
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7.
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The ____________________ point of water is 100°C.
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8.
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Natural gas for cooking has the property of ____________________.
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9.
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The particles of a gas have ____________________ between them.
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10.
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Ductility is a(n) ____________________ property of copper.
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11.
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An ice cube changes to a liquid at the ____________________ of water.
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12.
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A state of matter that occurs at very high temperatures is
____________________.
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13.
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When a match burns, the wood shows the property of ____________________.
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14.
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The reacting substances of a chemical reaction and the products both have a mass
of 25 grams. This is an example of the law of ______________________________.
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15.
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When a sculptor uses a chisel on a rock, the rock undergoes a(n)
____________________.
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Classify the following changes as physical or
chemical.
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16.
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Dew on a windshield changes to frost.
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17.
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A pencil becomes shorter after sharpening.
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18.
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Magnesium metal burns and becomes a white powder.
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19.
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A pine log is cut into boards.
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20.
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Apple cider becomes vinegar.
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21.
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a balloon expands as it becomes warmer
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22.
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a soda bubbles and foams when you open it
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23.
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milk sours
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24.
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a substance changes color
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25.
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developing a photograph
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26.
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butter hardens after being in the refrigerator
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Matching
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Match each term with the correct definition. a. | length | i. | mass | b. | solid | j. | matter | c. | boiling
point | k. | melting
point | d. | chemical change | l. | dichotomous key | e. | chemical property | m. | physical change | f. | conservation of
mass | n. | physical
property | g. | density | o. | state of matter | h. | malleability | p. | volume |
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27.
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change in the identity of a substance
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28.
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a substance with this physical property can be rolled into a sheet
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29.
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process that does not change the identity of a substance
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30.
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the distance between two points
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31.
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temperature at which a solid becomes a liquid
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32.
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mass can’t be created or destroyed
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33.
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characteristic that determines how a substance will react
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34.
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state of matter with particles vibrating in a fixed position
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35.
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solid, liquid, gas, or plasma
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36.
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uses physical properties to classify
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37.
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characteristic that can be observed and measured
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38.
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mass per unit volume
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39.
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anything that has mass and takes up space
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40.
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temperature at which a substance changes from a liquid to a gas
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41.
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amount of space an object takes up
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42.
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amount of material an object has in it
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Match the appropriate unit of measure with the correct object. a. | gram | d. | meter | b. | centimeter | e. | cm3 | c. | g/cm3 |
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43.
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length of a soccer field
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44.
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volume of a bottle of soda
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45.
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mass of a hamburger
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46.
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length of your shoe
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47.
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density of gold
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Short Answer
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48.
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What physical property could you use to separate sand and sugar? How would you
do it?
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49.
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Use the law of conservation of mass to explain why a rusty nail weighs more than
the original nail.
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Essay
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50.
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What properties would you use to describe an apple? What kind of properties are
these?
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51.
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Explain how the disappearance of gasoline from a lawn mower’s tank
demonstrates the law of conservation of mass.
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52.
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Read the following description of silver. List each of the underlined properties
as either chemical or physical. A white metal,
malleable and ductile. Density is 10.5 g/cm3. Melting point is
about 960°C; boiling point is about 2000°C. Does not react with water;
does not react with oxygen in the air. Does not react with most acids; reacts with
nitric acid.
a. Physical: b. Chemical:
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53.
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Explain how you can use physical properties to separate iron filings from
sawdust.
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54.
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Describe the physical properties of a tire and a donut.
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55.
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Why are physical changes preferable to chemical changes for separating two
substances?
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56.
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What is the relationship between chemical properties and chemical
changes?
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57.
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How would you find the volume of a stone by using water displacement?
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58.
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You have two clear solutions. You put a drop of a red liquid in each solution.
The first solution turns red. The second solution turns yellow. What do you know about the
solutions?
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