Experiments Flashcards
(6 cards)
1
Q
What is a dependent variable?
A
The variable which we measure for every change in the independent variable
2
Q
What is an independent variable?
A
The variable changed by the investigator
3
Q
What is the control variable?
A
Variables we keep the same throughout the investigation
4
Q
What is the use of the control variable?
A
To help establish the relationship between variables by ensuring that other variables don’t affect the results
5
Q
Give 3 benefits of using a control in an experiment
A
- Maintains consistency
- Prevent distortion of the results
- Isolates effects
6
Q
How do you convert the following:
* mm/cm/m to micrometre
* micrometre to mm/cm/m
A
mm/cm/m to micrometre
* mm → multiply by 1000
* cm → multiply by 10000
* m → multiply by 1000000
micrometre to mm/cm/m
* mm → divide by 1000
* cm → divide by 10000
* m → divide by 1000000
