Difference between revisions of "Variable"
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|'''Maple Leaf''' | |'''Maple Leaf''' | ||
| − | |''' | + | |'''Chestnut Leaf''' |
| + | |'''Variables''' | ||
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|[[File:MapleLeaf.png|center|200px]] | |[[File:MapleLeaf.png|center|200px]] | ||
|[[File:ChestnutLeaf.png|center|200px]] | |[[File:ChestnutLeaf.png|center|200px]] | ||
| + | |The leaves that were chosen were the '''independent variable'''. | ||
| + | |The colour of the leaves was the '''dependent variable''' | ||
| + | |The experiment was done at the same time of year for every tree because at different times leaves can change colour or fall off. This was a '''control variable''' | ||
|} | |} | ||
Revision as of 09:15, 20 August 2018
Key Stage 2
Meaning
A variable is something that you can change, keep the same, or measure/observe in an investigation.
About Variables
- There are three types of variable.
- Independent Variable: The thing you choose to change in an investigation.
- Control Variables: The things you keep the same in an investigation to make it a fair test.
- Dependent Variable: The thing you measure or observe in an investigation.
Examples
An investigation to test the claim: All leaves are green.
| Oak Leaf | Beech Leaf | Ash Leaf | ||
 |
 |
 | ||
| Maple Leaf | Chestnut Leaf | Variables | ||
 |
 |
The leaves that were chosen were the independent variable. | The colour of the leaves was the dependent variable | The experiment was done at the same time of year for every tree because at different times leaves can change colour or fall off. This was a control variable |