Introduction Flashcards
Variable
Controlled, changed or Mesured
P.E.O.A.E.C.
Peter eats oranges at every ceremony
Methode scientifique
Planifier Executer Observer Analyser Evaluer Communiquer
Independent variable
It can change
Dependant variable
Measure or observe. It is dependant on the independent variable
Qualitative
QUALITative-QUALITy
Appearences
Observed but not measured
Quantitative
QUANTITative-QUANTITy
Length height volume mass…
Can be measured
Numbers
The three steps
Experience:Observe:Analyse
D.R.A.S.E.
Donner recherche analyse solution enoncer
5 particle theory
Always moving
All matter is made of little particles separated by empty spaces
Different things are made of different particles
Move faster when hot
They all attract
Classification table
Matiere
Substances pure. Melange
Melanges mec.Solution
Homogene
A mixture distributed throughout the mixture
Heterogene
Localized regions with different properties
How to get the volume of an irregular substance
Water displacement method
Volume of the water with the object/volume of water without the object=volume of object
Physique
No transformation in the matter
Chimique
There is a change in the matter