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Unit 1 Test Review - Data Collection & Use Flashcards | StudBud
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Unit 1 Test Review - Data Collection & Use
Unit 1 Test Review - Data Collection & Use
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Lab Notebook Introduction Ch. 1 - The Chemical World Ch. 2 - Measurement & Problem Solving
Flashcards
30 cards
F
Practice quiz
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Host live
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Questions
30
Answers
1
A sample of pure copper with a density of 8.96 g/mL, takes up 15.0 mL of space. How many grams does the cube weigh?
82.4
1.67
53.1
134
2
What is the metric prefix that goes with the symbol: μ
Nano-
Micro-
Milli-
Mega-
3
True or False. Density is a conversion factor.
True
False
4
How many significant figures are present in the number: 13.40
3
4
2
1
5
What is the symbol for the prefix: Deci-
di
D
d
da
6
Which Scientist came up with Atomic Theory? That everything is made of tiny particles that cannot be broken down.
John Dalton
Antoine Lavoisier
J. Robert Oppenheimer
Mr. Strissel
7
How many fluid ounces is 500. mL (1L = 33.8 fl oz) (1L = 1000 mL)
16.9
67.6
8.62
53.1
8
How many significant figures are present in the number: 404
2
3
1
4
9
Categorize the statement: I ate 3000 calories.
Theory
Law
Hypothesis
Observation
10
Categorize the statement: Calories and weight have a direct relationship.
Theory
Observation
Law
Hypothesis
11
How many grams is 50. lbs? (1 lb = 453.6 g)
23000
0.11
0.34
31000
12
Categorize the statement: If I eat more calories then I will gain weight.
Hypothesis
Theory
Observation
Law
13
Consider the statement: If I eat more calories then I will gain weight. What is the independent variable?
Eating more calories
Both
Neither
Gaining more weight
14
What is the volume of the liquid in the cylinder?
16.0
24.0
24
23.5
15
Which Scientist discovered the Law of mass conservation? That matter cannot be created or destroyed in a reaction.
John Dalton
J. Robert Oppenheimer
Mr. Strissel
Antoine Lavoisier
16
True or False. Volume is an example of an intensive property.
True
False
17
13000 = 1.3 x 10
n
What is n?
-3
4
-4
5
18
______ units are units that are formed by expressing a relationship between other units. (Density: g/mL, Speed: m/s)
None
Extra
Combo
Derived
19
How many significant figures are present in the number: 120
4
2
3
1
20
A measurement is an example of a ____________ observation.
Quantitative
Qualitative
21
What is the dependent variable in the graph?
How hungry people were
Number of Hot Dogs Sold
Day of the Week
There is no dependent variable
22
If I said that a candle was waxy. This would be a __________ observation.
Qualitative
Quantitative
23
True or False. Intensive properties can be used to identify a substance.
False
True
24
Density is the relationship between mass and ______.
Amount
Volume
Speed
Length
25
A sample of pure copper with a density of 8.96 g/mL, weighs 9.5 grams. How much space will it take up in mL?
1.1
76
85
24
26
Categorize the statement: The body uses energy (calories) and if there is any leftover it stores them increasing weight
Law
Observation
Theory
Hypothesis
27
0.0032 = 3.2 x 10
n
What is n?
-3
-4
4
5
28
How many hot dogs were sold on Wednesday?
50
30
70
10
29
True or False. A precise measurement includes 2 estimated digits.
True
False
30
How many significant figures are present in the number: 0.003
2
4
3
1
