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Science review 1-2 Flashcards | StudBud
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Science review 1-2
Science review 1-2
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1
the root centi means _________ ?
0.01
0.1
1000
100
2
You would measure the volume of a brick in _______?
cm cubed
cm squared
meters squared
cm
3
A theory is a guess.
True
False
4
Did you enjoy this quiz?
it was ok
no it was the worst
it helped me alot
YESSSS!!!!
5
In the US we use the English system, but most of the world uses the _______________ system ?
metric
meter
method
SI
6
what is the root that means "across"?
semi
trans
micro
therm
7
What is the root that means "thousand"?
kilo
deci
centi
mili
8
For a measurement to make sense it must have a number and a _________?
numeral
it doesn't need anything else
unit
symbol
9
What is a dependent variable?
a value that is changed to affect the dependent variable (x-axis)
a quantity that can have more than one value
a standard by which test results are compared
when a value changes according to changes other variables (y-axis)
10
Density takes up mass per unit of a material.
True
False
11
The amount of space taken up by an object is called ___________ ?
mass
area
volume
density
12
What is the acronym for the steps of the scientific method?
QHRACE
RHQEAC
ACEHQR
QRHEAC
13
A hypothesis is a possible explanation for a problem using what you know.(prediction; educated guess)
True
False
14
What is the root that means "half"?
semi
hem
hemi
seme
15
___________ is anything that takes up space and has mass
volume
density
masss
Matter
16
A theory can become a law.
True
False
17
What is the root that means "heat"?
thermos
magma
caldo
therm
18
Which is not one of the three MAIN categories of science?
Physical science
psychology
earth science
life science
19
What measures temperature?
Seccond
meter
Kelvin
Kilogram
20
Density equals ____________ ?
volume over mass
M/V
V/M
mass over volume
21
A ratio equal to one is a ______________?
unit factor
conversion factor
unit ratio
conversion ratio
22
What is the greek letter that represents density?
rho
ρ
alpha
row
23
What is a constant?
A factor that doesn't change
when a scientist expectations change the results
an experimental test
A standard by which test results are compared
24
It is important to only be accurate but not precise.
False
True
25
The root "deci" means ________?
ten
1/10
one tenth
100
26
A law can not become a theory.
True
False
27
What root means "small"?
nano
deci
mili
micro
28
What is absolute zero?
-237°C
-237°k
0 °k
0°C
29
Which is NOT a requirement of a hypothesis?
Must be measureable
Must be testable
Must include a personal pronoun
Must be repeatable
30
What is the root that means "two"?
tri
uni
bi
di
31
The Latin word "scientia" means _____________?
knowledge
change
method
science
32
What root means "seven"?
penta
hexa
sept
oct
33
The scientific method is a rigid series of steps.
False
True
34
What is the symbol for mass?
s
Kg
k
m
