Difference between revisions of "Control Variable"
(Created page with "==Key Stage 2== ===Meaning=== A '''control variable''' is something which is kept the same in an experiment to make it a fair test. ===About Control Variables==...") |
|||
| Line 8: | Line 8: | ||
===Examples=== | ===Examples=== | ||
| + | {| class="wikitable" | ||
| + | |Investigation: Who is the fastest? | ||
| + | |Controls | ||
| + | |- | ||
| + | |[[File:RaceChildren.png|center|200px]] | ||
| + | | | ||
| + | *Everyone starts from the same starting line. | ||
| + | *Everyone finishes at the same point. | ||
| + | *Everyone wears the same kind of shoes. | ||
| + | *Everyone has to run on the grass. | ||
| + | |} | ||
| + | |||
If you want to know how plants grow differently depending on the light, you should make sure they are all watered the same, have the same soil and are kept at the same temperature. | If you want to know how plants grow differently depending on the light, you should make sure they are all watered the same, have the same soil and are kept at the same temperature. | ||
Revision as of 09:50, 20 August 2018
Key Stage 2
Meaning
A control variable is something which is kept the same in an experiment to make it a fair test.
About Control Variables
- Changing more than one thing in an experiment can affect the results.
- If you do not have control variables it is not a fair test.
Examples
| Investigation: Who is the fastest? | Controls |
 |
|
If you want to know how plants grow differently depending on the light, you should make sure they are all watered the same, have the same soil and are kept at the same temperature.