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Ch 1 Review- Phys. Science Flashcards | StudBud
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Ch 1 Review- Phys. Science
Ch 1 Review- Phys. Science
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Test Review over scientific method, scientific notation, conversions using factor label
Flashcards
33 cards
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Questions
33
Answers
1
If you had to find out how much liquid was left in a water bottle, what would you be measuring?
mass
volume
temperature
length
2
What is the amount in mL?
66.0mL
67mL
66mL
67.0mL
3
What is the measurement in cm?
17.30cm
17.0cm
17.3cm
17.20cm
4
What step of the scientific method follows forming a hypothesis?
Conduct an experiment.
Draw a conclusion.
Research and collect data.
Communicate results
5
A scientific theory is
an explanantion of a scientific observation
the conclusion of an experiment.
a description of a natural event.
the same as a hypothesis.
6
What unit would you use to describe the mass of your backpack?
meter
kilogram
gram
centimeter
7
What is the metric system, which is used worldwide, referred to as?
MI
SI
MS
PI
8
What is the amount in mL?
6.5mL
6.6mL
6.60mL
6.50mL
9
To see if texting while driving increases accidents, the independent variable is
the group texting while driving
2 groups - the one not texting
the number of drivers in the study
the accident rate
10
The dimension of distance is measured in units of
grams
liters
seconds
meters
11
500g=______________________cg
50,000
5,000
.0500
5.000
12
In a controlled experiment how many variables should be tested?
two
one
all of the above
three
13
The dimension of mass is measured in
liters
meters
seconds
grams
14
Scientists change or replace theories when...
new technology is invented.
new discoveries are made.
they make a model.
they decide to work on something else.
15
What unit would you use to measure the height of your teachers?
meter
liter
kiloliter
kilometer
16
All of the following are subgroups of physical science except....
geology
chemistry
physics
organic chemistry
17
The strength of the scientific method is that it
helps to prove historical events
can be used to find how good or bad something is
will prove all things 100 % of the time
leads to proof of facts
18
In graphing the X axis contains
the dependent variable
the control
the independent variable
19
Why is "no experiment a failure"?
All experiments allow us to view real events.
Experiments give scientists a job.
All experiments allow us to manipulate variables.
All experiments give desired results.
20
What graph illustrates change in data over time?
line graph
bar graph
circle graph
histogram
21
What question is an experiment unable to answer?
Does penicillin kill bacteria?
Can UV rays cause cancer?
Was the land mass of earth originally one super-continent?
Is strep caused by a virus?
22
It is appropriate to use beakers for drinking water but not acids in the lab.
False
True
23
What is the second step in the scientific method?
ask a question.
form a hypothesis
research and collect background information
make an observation
24
5000.2L=__________________mL
500020,000
5000,200
50.002
5.0002
25
The dependent variable
describes the effect of testing
describes the cause, what is changed by scientists.
is used to compare with the experimental group
26
A decameter is equal to
10 meters
100 centimeters
1000 meters
100 meters
27
480g_____________5kg
>
=
<
28
Convert 750 milliliters to liters
75.0 L
.075 L
7.5 L
0.75 L
29
What is the measurement in cm?
5.2cm
5.10cm
5.01cm
5.1cm
30
The control of an experiment
is used to compare with the experimental group
is what scientists change in an experiment
is what is observed and measured
31
What graph shows parts of a whole population?
histogram
line graph
bar graph
circle graph
32
A kilo is equal to
100
.001
1
1000
33
A conclusion is
an observation based upon sight
based upon facts and testing.
used to make a hypothesis
the third step in the scientific method
