lol Flashcards
(27 cards)
1
Q
model
A
a mental picture of an event or thing
like an atomic model
2
Q
qualitative observation
A
uses senses
non-measurable
3
Q
quantitative observation
A
using numerical tools/values
4
Q
experiment
A
testing hypothesis/gathering info
5
Q
hypothesis
A
educated guess
6
Q
theory
A
possible explanation/prediction on how a conclusion will be reached.
can be changed
7
Q
scientific law
A
describes an event in nature
accepted as true
8
Q
independent variable
A
value that changes or is manipulated
9
Q
dependant variable
A
the resulting effect of the independent
10
Q
control variable
A
all things that remain the same
11
Q
scientific method
A
what is the issue research issue hypothesis experiment observe conclusion (sources of error)
12
Q
conversion base units
A
grams (mass)
litres (volume)
metres (distance)
13
Q
T
A
Tera
10-12
14
Q
G
A
Giga
10-9
15
Q
M
A
Mega
10-6
16
Q
k
A
kilo
10-3
17
Q
h
A
hecto
10-2
18
Q
da
A
deca
10-1
19
Q
d
A
deci
10- -1
20
Q
c
A
centi
10- -2
21
Q
m
A
milli
10- -3
22
Q
u
A
micro
10- -6
23
Q
n
A
nano
10- -9
24
Q
p
A
pico
10- -12
25
scientific notation
makes it easier to handle and compress numbers
26
scientific notation info
coefficient (1-10)
base: 10
exponant: - less than 1 +greater than 10
27
significant figures
all numbers 1-9 count as significant
- all zeroes bettered fig sigs count
- zeroes count ONLY if they are to the right of a decimal AND to the right of a sig fig
