scientific method Flashcards
1
Q
order of scientific method
A
- observations
- inferences
- hypothesis
- experimental design
- record and present data
- discussion
- conclusion
2
Q
observations
A
- use 5 main senses
- use scientific equipment
3
Q
inferences
A
- are suggested reasons why our observation happen
4
Q
hypothesis
A
- a ‘if’ statement that can be tested
- see if its true or null
5
Q
experimental design
A
- aim
- introduction
- state hypothesis
- equiptment
- diagram
- procedure / method
- results
- discussion
- conclusion
6
Q
record and present data
A
- data is recorded in a table
- data is presented as a graph
7
Q
discussion
A
- patterns and trends in the data
- describe graph (use numbers)
8
Q
conclusion
A
- restate hypothesis
- data prove hypothesis true / null
- give example
9
Q
procedure / method
A
p - how to do experiment
m - how I did the experiment
10
Q
quantitative
A
quantity (numbers)
11
Q
qualitative
A
no numbers
12
Q
percentage change
A
new data - original data
———————————- x 100%
original data
13
Q
validity
A
- fair test?
- test hypothesis / aim?
- in control of all variables
14
Q
accuracy
A
- accurate equipment
- experience of experiment conductor
- experimental / systematic error
15
Q
reliability
A
- repetition of whole experiment
- trials, average
- large sample (50+)
- remove outliers to remain consistent
