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2 Physics Measuring & Calculating Flashcards | StudBud
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2 Physics Measuring & Calculating
2 Physics Measuring & Calculating
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1
We do not change or do anything to the ________ variable. It changes on its own.
controlled
independent
variating
dependent
2
Scientific laws
propose
explain
pronounce
predict
3
Act of comparing an unknown quantity to a standard unit is called
measurement
matter
momentum
mercury
4
The __________ variable does not affect the outcome of the experiment.
variating
dependent
independent
controlled
5
When two measurements are added, the sig figs can be recorded to the
greatest number of decimal places
smallest number of decimal places
I have no idea
fewest number of zeros
6
How many sig figs are in 6.02 x 10
23
1
0
3
2
7
Which is
not
a fundamental dimension?
mass
matter
time
space
8
Which of the following studies requires the use of a physical model?
studying lift using a mini airplane wing in an experimental wind tunnel
collecting data on the topography of the Marianas Trench
analyzing the buoyancy compensating system of a rainbow trout
observing the phases of the moon
9
Which of these is outside the realm of science?
explaining why human life is precious
designing a model to study the lift of an airplane
finding a cure for small pox
discovering how many moons Jupiter has
10
A good hypothesis should be
timely
well worded
true
testable
11
Which one of the following would best fit under the category of applied physics?
designing components for the International Space Station
identifying the cause of the earth's magnetic field
creating a better prediction tool for hurricanes
studying crystal lattices using x-rays
12
When two measurements are multiplied, the sig figs can be recorded to the
most number of sig figs in the given data
fewest number of sig figs in the given data
most digits possible
sig figs don't really matter
13
We get scientific theories from the process of
deductive reasoning
just knowing them
meditation
inductive reasoning
14
Which of the following is least objective?
qualitative data
scientific law
quantitative data
computed data
15
What is the formal name for the set of standards that defines the fundamental units of measurement used in science
Systeme Internacional de Unites (SI)
the Metric System
the English Engineering System
the US Customary Unit System
16
How many sig figs are in 1g/1000mg?
NA
2
4
1
17
Which of the following is not a result of the Fall?
death
disaster
disease
physical work
18
The most important reason to do physics is
based upon Genesis 1:28.
based upon Matthew 6:3
to develop better weapons in the War on Terror.
to improve mass communications technology.
19
Which one of these is
not
a way to increase measurement certainty?
Estimate as many decimal places as possible using one's best judgment
Use a vernier scale mounted on the instrument.
Estimate to nearest tenth of smallest decimal increment of the instrument.
Report only one uncertain decimal place in the meaurement.
20
Convert 2280 feet to miles. 1 mi = 5280 ft
0.430 miles
0.431 miles
0.432 miles
0.4318 miles
21
How many sig figs are in 0.0007 g?
3
2
1
5
22
Find the volume of this box.
216 in3
18 ft3
18 in3
1.5 ft3
23
The independent variable is graphed on the _______ axis.
all the axes
x axis
z axis
y axis
