Unit 1 Exam
By Craig Fisher
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Last updated over 4 years ago
75 Questions
Answer the questions by clicking on the correct answer. You will have ONE class period in which to complete this exam.
2 points
2
Question 1
1.
What does all matter have whether it is moving or still?
What does all matter have whether it is moving or still?
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2
Question 2
2.
What must you find out after conducting an experiment and collecting data?
What must you find out after conducting an experiment and collecting data?
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2
Question 3
3.
At the end of an experiment, after analyzing your results, what must you draw?
At the end of an experiment, after analyzing your results, what must you draw?
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Question 4
4.
Which tools can be used for collecting and analyzing data in science?
Which tools can be used for collecting and analyzing data in science?
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Question 5
5.
Which of the following is always a safety rule?
Which of the following is always a safety rule?
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Question 6
6.
Early scientists thought the shape of the birds' wings helped birds fly. In their first experiments, they made wings the same thickness and shape from front to back. This didn't work. What might these scientists have done after they analyzed their results?
Early scientists thought the shape of the birds' wings helped birds fly. In their first experiments, they made wings the same thickness and shape from front to back. This didn't work. What might these scientists have done after they analyzed their results?
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Question 7
7.
Which is an example of a conceptual model?
Which is an example of a conceptual model?
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Question 8
8.
Which of the following is the best definition of science?
Which of the following is the best definition of science?
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Question 9
9.
What is Physical Science mainly about?
What is Physical Science mainly about?
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Question 10
10.
What is matter?
What is matter?
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Question 11
11.
What is energy?
What is energy?
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Question 12
12.
What are scientific methods?
What are scientific methods?
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Question 13
13.
Before asking questions, what is a scientist likely to do?
Before asking questions, what is a scientist likely to do?
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Question 14
14.
What must a good hypothesis be?
What must a good hypothesis be?
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Question 15
15.
Which of the following is a good way to analyze data?
Which of the following is a good way to analyze data?
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2
Question 16
16.
At the end of an investigation, what should you do if you conclude that your results do not support your hypothesis?
At the end of an investigation, what should you do if you conclude that your results do not support your hypothesis?
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Question 17
17.
What are some methods of communicating the results of scientific investigations?
What are some methods of communicating the results of scientific investigations?
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Question 18
18.
In science, what is a scientific theory?
In science, what is a scientific theory?
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Question 19
19.
What is a scientific law?
What is a scientific law?
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Question 20
20.
Which of the following units would you use to express the volume of an irregular solid such as a rock?
Which of the following units would you use to express the volume of an irregular solid such as a rock?
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Question 21
21.
Which of the following statements is true about an object's weight but NOT about its mass?
Which of the following statements is true about an object's weight but NOT about its mass?
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Question 22
22.
If you poured three liquids (that do not mix completely) into a beaker, how could you tell which one is the densest liquid?
If you poured three liquids (that do not mix completely) into a beaker, how could you tell which one is the densest liquid?
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Question 23
23.
What happens to a solid object with a density that is less than water when it is placed in water?
What happens to a solid object with a density that is less than water when it is placed in water?
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Question 24
24.
Which of the following is NOT an example of a physical change?
Which of the following is NOT an example of a physical change?
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Question 25
25.
What kinds of changes in substances are always physical changes?
What kinds of changes in substances are always physical changes?
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2
Question 26
26.
Why are chemical properties harder to observe than physical properties?
Why are chemical properties harder to observe than physical properties?
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2
Question 27
27.
Which of the following is a chemical property of matter?
Which of the following is a chemical property of matter?
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Question 28
28.
What makes characteristic properties useful to scientists?
What makes characteristic properties useful to scientists?
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Question 29
29.
How does a physical change differ from a chemical change?
How does a physical change differ from a chemical change?
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Question 30
30.
Which of the following units would be best for describing the volume of mercury (liquid) used in an experiment?
Which of the following units would be best for describing the volume of mercury (liquid) used in an experiment?
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Question 31
31.
Which of the following events is NOT a common sign that a chemical change has taken place?
Which of the following events is NOT a common sign that a chemical change has taken place?
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Question 32
32.
What chemical property is responsible for iron rusting?
What chemical property is responsible for iron rusting?
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Question 33
33.
The motion of a 150g ball is more difficult to change than the motion of a 50g ball because the 150g ball has
The motion of a 150g ball is more difficult to change than the motion of a 50g ball because the 150g ball has
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2
Question 34
34.
What unit of density would be appropriate to describe a solid bar of silver?
What unit of density would be appropriate to describe a solid bar of silver?
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Question 35
35.
Souring milk is an example of a
Souring milk is an example of a
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Question 36
36.
Malleability is an example of a
Malleability is an example of a
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2
Question 37
37.
Which of the following has more inertia than a 100g object on Earth?
Which of the following has more inertia than a 100g object on Earth?
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Question 38
38.
During physical changes, matter always retains its
During physical changes, matter always retains its
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Question 39
39.
To compare the densities of oil and water, pour the liquids into a container and observe how they
To compare the densities of oil and water, pour the liquids into a container and observe how they
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Question 40
40.
In a solid, the particles
In a solid, the particles
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Question 41
41.
Crystalline solids
Crystalline solids
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Question 42
42.
Orange juice
Orange juice
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Question 43
43.
A gas
A gas
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Question 44
44.
At higher temperatures,
At higher temperatures,
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Question 45
45.
Balloons can be twisted into shapes because
Balloons can be twisted into shapes because
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Question 46
46.
How does a basketball under high pressure compare to a basketball under low pressure?
How does a basketball under high pressure compare to a basketball under low pressure?
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Question 47
47.
Boyle's Law states that for a fixed amount of gas
Boyle's Law states that for a fixed amount of gas
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Question 48
48.
According to Charles's Law,
According to Charles's Law,
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Question 49
49.
Which of these factors could affect the temperature at which water boils?
Which of these factors could affect the temperature at which water boils?
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Question 50
50.
How do the molecules of water that evaporate from an open container differ from the molecules that remain?
How do the molecules of water that evaporate from an open container differ from the molecules that remain?
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Question 51
51.
Which of the following occurs when a liquid becomes a gas?
Which of the following occurs when a liquid becomes a gas?
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Question 52
52.
A drop of vinegar will flow and spread out but a drop of vegetable oil will form a bead. This is evidence that
A drop of vinegar will flow and spread out but a drop of vegetable oil will form a bead. This is evidence that
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Question 53
53.
The melting point of salt is the same as its
The melting point of salt is the same as its
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Question 54
54.
A liter of gasoline will boil at
A liter of gasoline will boil at
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Question 55
55.
In order for carbon dioxide gas to enter the air from dry ice, the dry ice must
In order for carbon dioxide gas to enter the air from dry ice, the dry ice must
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Question 56
56.
A graph that shows the change in temperature of a substance as it is heated will show
A graph that shows the change in temperature of a substance as it is heated will show
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Question 57
57.
The reverse of condensation is
The reverse of condensation is
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Question 58
58.
Which of the following examples shows an exothermic change?
Which of the following examples shows an exothermic change?
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Question 59
59.
Hydraulic (liquid) systems, such as the brakes on a car, pass on forces because liquids tend to maintain a constant
Hydraulic (liquid) systems, such as the brakes on a car, pass on forces because liquids tend to maintain a constant
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Question 60
60.
A property of an element that does not depend on the amount of the element is called a(n)
A property of an element that does not depend on the amount of the element is called a(n)
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Question 61
61.
An element's ability to react with an acid is an example of a
An element's ability to react with an acid is an example of a
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Question 62
62.
When two or more elements join together chemically,
When two or more elements join together chemically,
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Question 63
63.
Which of the following will not break down compounds?
Which of the following will not break down compounds?
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Question 64
64.
How do elements join to form compounds?
How do elements join to form compounds?
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Question 65
65.
Compounds found in all living things include
Compounds found in all living things include
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Question 66
66.
If a spoonful of salt is mixed into a glass of water, what is the water called?
If a spoonful of salt is mixed into a glass of water, what is the water called?
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Question 67
67.
What is a solid solution of a metal or a nonmetal, dissolved in a metal called?
What is a solid solution of a metal or a nonmetal, dissolved in a metal called?
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Question 68
68.
A colloid has properties of both suspensions and
A colloid has properties of both suspensions and
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Question 69
69.
What is formed when the molecules of two or more substances are distributed evenly amongst each other?
What is formed when the molecules of two or more substances are distributed evenly amongst each other?
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Question 70
70.
How is a compound different from a mixture?
How is a compound different from a mixture?
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Question 71
71.
The molecules in both a solution and a colloid
The molecules in both a solution and a colloid
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Question 72
72.
Which of the following is NOT a reason that compounds are considered pure substances?
Which of the following is NOT a reason that compounds are considered pure substances?
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Question 73
73.
How could a sugar cube be dissolved more quickly in water?
How could a sugar cube be dissolved more quickly in water?
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Question 74
74.
The molecules in both a suspension and a colloid can
The molecules in both a suspension and a colloid can
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Question 75
75.
Which solid is more soluble at lower temperatures than at higher temperatures?
Which solid is more soluble at lower temperatures than at higher temperatures?
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