practical and maths skills Flashcards
1
Q
three steps into planning an experiment
A
- theory
e.g light intensity effects photosynthesis
2.prediction
e.g when you increase light intensity the rate of photosynthesis increases
3.experiment
e.g measure the rate of photosynthesis at varying light intensity
2
Q
vairables: dependant variables
A
dependant variable is the variable that you measure
3
Q
variables: independant variables
A
the indepndant variable is the variable that you change
4
Q
controls: postive control
A
to show what a positive result may look like, to see if its possible
5
Q
negitive control
A
to show that only the independant variable is effecting the experiement
6
Q
control groups
A
the subject of experiemnt is split into two groups te control grpup and the xepeiemntal group
7
Q
repeats
A
repating your experiemtn will
