How Science Works Flashcards
1
Q
What is an Independant Variable?
A
It is the one that you change
2
Q
What is a Dependant Variable
A
The one that you measure for each change in the independent variable.
3
Q
What is a Control Variable
A
The things you keep constant to ensure a fair test.
4
Q
Categoric
A
Words
5
Q
Continuous Variable
A
The one you measure and record as a number
6
Q
Random Error
A
It is often a human error- eg reading a scale incorrectly or not being careful enough
7
Q
Systematic Error
A
Caused by misapplication of a technique or and instrument with a zero error
8
Q
Annomalous reading
A
Doesn’t fit the pattern and should be ignored when calculating a mean. Circle it when asked
9
Q
Range
A
Maximum value - minimum value
10
Q
Mean
A
Sum of all measurements decided by the number of measurements taken
