How science works? Flashcards
1
Q
What is the independent variable?
A
The variable you change
2
Q
What is the control variable?
A
The variable that stays the same
3
Q
What is the dependent variable?
A
The variable you measure.
4
Q
What is continuous data?
A
Variables with a numeric value
5
Q
What is categoric data?
A
variables with named value
6
Q
what is a fair test?
A
When the independent variable only affects the dependent variable.
7
Q
what is the test for hydrogen?
A
put a lit splint in a tube and if a squeaky pop sound is made, hydrogen is present
8
Q
Why are experiments often repeated 3 times? (2 points)
A
To take an average
To also spot anomalies
9
Q
what does accurate mean?
A
How close to the true value the data is
