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Measurement & Physics
Measurement & Physics
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Unit 1 Measurement, scientific notation, significant figures, physics basics
Flashcards
27 cards
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Questions
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Answers
1
Point at which a line crosses y-axis
rise
parallax
slope
y-intercept
2
Degree of exactness in a measurement
accuracy
parallax
precision
significance
3
When dividing two numbers in scientific notation,
exponents are multiplied
exponents are added
exponents must be the same
exponents are subtracted
4
Inertia varies depending on
force
mass
velocity
motion
5
A systematic way of observing, experimenting, & analyzing is
hypothesis
scientific law
theory
scientific method
6
The relationship among speed, distance, and time is
t = s/d
s = d/t
s = dt
d = t/s
7
The SI unit to measure time is the
month
hour
year
second
8
If you ride a bike down a straight road 500m then turn & ride back, distance is _ displacement
equal to
greater than
less than
can not determine
9
Which SI unit is used the measure volume?
milliters
liters
centimeters
moles
10
The speed you read on a speedometer is
average speed
velocity
constant speed
instantaneous speed
11
Useful method to express very small or very large numbers
scientific notation
physics
significant figures
scientific method
12
Write out 5.92 X 10
-5
in full
0.0000592
0.000592
0.00592
0.00000592
13
A feather will fall more slowly than a brick because of
inertia
air resistance
momentum
gravity
14
4567.89 is properly expressed in scientific notation as
4.56789 X 103
45.6789 X 102
456.789 X 101
4567.89 X 100
15
Physics is a branch of science that studies
the solar system exclusively
matter & energy & their relationships
only subatomic particles
mathematical theory
16
What value is calculated by dividing rise by run?
inaccuracy
slope of a line
acceleration of a cricket
angular velocity
17
3 m/s North is
velocity
position
acceleration
speed
18
When multiplying two numbers in scientific notation,
exponents are added
exponents are multiplied
exponents are subtracted
exponents must be the same
19
Which has three significant figures
0.0500
305.0
1.00081
8.060 X 1011
20
When measurements are added, the answer should have the same number of
decimals as the least precise number
decimals as the most precise number
sig figs as the number with the least significant figures
sig figs as the number with the most significant figures
21
What could you study to pass this test?
Study? I will just look over at the person's test next to me
The physics book
Study? Huh! What's that?
My comp book Interactive Notebook
22
How well the results of an experiment agree with the standard
parallax
precision
accuracy
significance
23
When measurements are multiplied or divided, the answer should have the same number of
sig figs as the number with the most significant figures
digits as the most precise number
sig figs as the number with the least significant figures
digits as the least precise number
24
Apparent shift in position of object when viewed from different angles
imprecise measurement
parallax
inaccuracy
faulty instrumentation
25
When adding or subtracting in scientific notation,
exponents are added
exponents are multiplied
exponents are subtracted
exponents must be the same
26
Number of significant figures in 0.1200
2
5
4
3
27
0.00325 X 10
-8
can also be expressed as
3.25 X 10-11
3.25 X 10-12
3.25 X 10-10
3.25 X 10-9
