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BMS Fall Benchmark Review Flashcards | StudBud
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BMS Fall Benchmark Review
BMS Fall Benchmark Review
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Scientific Method, Metric Conversions, Matter #matter #scientificmethod #conversions
Flashcards
38 cards
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Questions
38
Answers
1
What type of matter takes the shape of its container and has no definite volume?
liquid
suspension
solid
gas
2
Put the pictures in order.
element, compound, mixture
compound, element, mixture
mixture, compound, element
mixture, element, compound
3
True or False - Combustibility is a physical property.
false
true
4
If an unknown substance sinks when placed in water, what can we conclude?
The object has a density less than 10.0
The object has a density less than 1.0.
The object has a density greater than 1.0
The object has a density greater than 10.0.
5
A substance that cannot be broken down by chemical or physical means is a(n) ...
mixture
element
solution
compound
6
The definition "the amount of space an object occupies" best matches the term...
mass
density
volume
matter
7
What is the amount of mass AND space occupied by an object?
It's volume.
It's length.
It's mass.
It's density.
8
Sometimes (rarely), a solid skips a phase and goes directly to a gas. What is this called?
Evaporation
Sublimation
Condensation
Deposition
9
The group that is used to compare is the --
critical
dependent variable
control
constant
10
What scientific tools are required to measure density?
triple beam balance and meter stick
triple beam balance and graduated cylinder
meter stick and triple beam balance
graduated cylinder and meter stick
11
True or False - Soubility is a physical property.
true
false
12
We find out that our data doesn't support our hypothesis. What's our next move?
Eliminate data that doesn't support hypothesis
Start over and refine experiment to match hypothesis.
Repeat trials until data does support hypothesis.
Note that data does not provide evidence of our hypothesis.
13
In an experiment, only one variable is tested; everything else is to remain...
constant
in fluctuation
manipulated
normal
14
Which one changes with gravity - mass or weight?
mass
weight
15
What phase is represented by picture 2?
plasma
liquid
gas
solid
16
Which of the following items floats?
1.09 g/cm3
0.43 g/cm3
1.13 g/cm3
3.31 g/cm3
17
What is the temperature of absolute zero?
-150°C
0°K
0°C
32°K
18
What term describes matter attaining enough thermal energy to move from a solid to a liquid?
boiling point
melting point
freezing
vaporization point
19
Two or more elements chemically combined is known as a(n)...
mixture
compound
element
suspension
20
Particles are free to move and constantly do, running and bumping into one another.
plasma
liquid
solid
gas
21
What are the freezing and boiling points for water in the metric system?
32°C and 212°C
0°C and 100°C
0°F and 100°F
32°F and 212°F
22
A homogeneous mixture is also known as a(n)...
compound
solution
element
suspension
23
Particles are held in place, giving matter a definite shape.
gas
solid
liquid
plasma
24
The metric prefix "deci" is equivalent to
.1
1
.01
10
25
How many times should a scientist repeat a trial during an experiment?
three times
six times
once
as many times as needed to get an accurate answer
26
The definition "the amount of matter in an object" is for the term...
mass
volume
length
matter
27
What phase is represented by picture 4?
solid
plasma
liquid
gas
28
What is the base unit for mass in the metric system?
Centigram
Dekagram
Milligram
Gram
29
The metric prefix "milli" is equivalent to
.01
0.1
0.001
1
30
What is the base unit for volume in the metric system?
Gallon
Gram
Ounce
Liter
31
Which definition best fits that of an independent variable?
Used as a baseline to monitor change in experiment.
The variable stays the same throughout experiment.
What the scientist changes in order to test hypothesis.
It depends on what the scientist has changed in experiment.
32
What are the two main components of a solution?
solvent and solute
solid and gas
heterogeneous and homogeneous
solvent and ice
33
Which of the following is not a chemical property?
density
reactivity
acidity
combustibility
34
What is the base unit for length in the metric system?
yard
liter
meter
inch
35
Convert 340.9 mL to daL.
.0304 daL
.3409 daL
340900 daL
.03409 daL
36
Which is NOT one of the alternate names for the Metric System?
European Units System of Measurement
International System of Units
Imperial measurement system
SI Units
37
The educated guess, written as an "If..then" statement, is the _____.
problem/question
experiment
conclusion
hypothesis
38
Which of the following is not a physical property?
density
color
evaporation
basicity
