Sci Method Flashcards
1
Q
Hypothesis
A
Educated guess
2
Q
double blind testing
A
Neither the tester nor the subject knows who gets the drug
3
Q
Necessity for random selection
A
Reduces bias
4
Q
Features of good experimental design
A
Control
Large sample size
5
Q
Results published
A
Journal
6
Q
Why
A
Peer review
7
Q
Experiment
A
Test of hypothesis
8
Q
Theory
A
Hypothesis supported by experiment
9
Q
Why seeds taken from one plant
A
To minimise variation
10
Q
A way scientists sterilise compost
A
Heat
11
Q
Why is that important
A
Kill organisms
12
Q
Why did they divide young plants into equal groups
A
Control
13
Q
Why did they keep plants under identical conditions
A
To only have 1 variable
14
Q
Two conditions kept constant
A
Temp and ph
15
Q
Why did they repeat several times
A
To ensure reliability
