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Review water, scientific method & graphing Flashcards | StudBud
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Review water, scientific method & graphing
Review water, scientific method & graphing
20 terms
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Questions
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Answers
1
What property of water is shown in the figure?
high specific heat
buffer
cohesion
unique phase characteristic
2
The dependent variable goes on what axis & needs what information?
Y-axis; needs title
X-axis; needs origiin
Y-axis; needs label & units
X-axis; needs units
3
Which property of water accounts for water's ability to moderate temperature?
adhesion
high specific heat
universal solvent
hydrogen bonds
4
What should you do before drafting a hypothesis?
collect data
analyze results
observe & make inferences
conduct an experiment
5
When would you use a bar graph?
when tracking information over time
when calculating averages
when comparing groups
none of the above
6
What is wrong with this graph?
no units on Y axis
all of the above
scale is off
no label on Y axis
7
If Sue runs 5 miles/week, then her speed will be 10% faster. What is the dependent variable?
speed 10% faster
not listed in hypothesis
Sue
running 5x/week
8
The independent variable is the variable that
is measured at the end of the experiment
is kept constant
stays the same throughout the experiment
is purposefully changed/manipulated
9
A hypothesis needs to have what items?
If/then statement, independent variable & dependent variable
constants, controls & If/then statement
independent variable & dependent variable
control group & dependent variable
10
What property of water is shown in the figure
high specific heat
heat of vaporization
buffer
polarity
11
The oxygen in a water molecule has
a partial positive charge
a partial negative charge
a positive charge
a negative charge
12
The independent variable goes on what axis?
Y
Z
X
Oz
13
What property of water is shown in the figure?
polarity
buffer
high specific heat
surface tension
14
What property of water is shown in the figure?
buffer
universal solvent
heat of vaporization
high specific heat
15
What is wrong with this graph?
no label on X axis
no key
all of the above
no units on Y axis
16
If you graphed your height from 1st grade to 9th grade, what graph would you use?
bar
line
pie
scatter plot
17
Surface tension of water is due to
none of the above
cohesion
unique phase characteristics
adhesion
18
Why does a meniscus form in a graduated cylinder (like the picture shown)?
cohesion
buffer
universal solvent
adhesion
19
This bond is found between water molecules.
ionic
polar covalent
hydrogen
nonpolar covalent
20
What is wrong with this graph?
no units on X axis
no title
all of the above
no units on Y axis
