ceviche
ceviche
4.234146341463415290 reviews

ppt, 395 KB
ppt, 395 KB
Powerpoint about the importance of controlling variables (i.e. conducting a fair test). Includes six examples of investigations where some variables are not being controlled. They are intended to make students think. If printing, I found it useful to print the six examples using the 'handouts' print format with 3 slides per page, so each slide has a writing area next to it.
Creative Commons "Sharealike"

Reviews

4.6

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mrpreston

a year ago
4

I adjusted it for my year 3 children <br /> a great talking point. thanks

Lconroy1080

a year ago
5

A lovely resource to encourage critical thinking. Thanks for sharing.

ColinByrne101

2 years ago
5

Nice set of resources which really makes the pupils think.

siewhuiwonggg

2 years ago
5

mandinewy

3 years ago
3

The word reliable has been used. Should constant variables be validity not reliability?

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