observation measurement and density Flashcards
1
Q
observation
A
- a description
- any measurement = observation
2
Q
Inference
A
- conclusion
- based on observations
3
Q
Derived unit of measurement
A
- combination of other measurements
ex: density and volume
4
Q
% error
A
% error = difference/actual X 100%de
5
Q
density
A
M/V
6
Q
density will only change if
A
temperature changes and pressure changes
7
Q
water is most dense at
A
4 degrees celcius
8
Q
more dense
A
sinks
9
Q
less dense
A
floats
10
Q
weight
A
a measurmenty of the pill of gravity of an object
11
Q
mass
A
measure of the amount of matter in an object
12
Q
A
