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Petri Dish

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Key Stage 3

Meaning

A petri dish with a scale stuck on for measuring sizes.

A petri dish is a transparent container used to make observations of living organisms.

About Petri Dishes

Petri Dishes can be used as a container to grow seedlings.
Petri Dishes are used to contain tissues for study.
Petri Dishes are filled with a growth medium in order to grow bacterial colonies for study.
Petri Dishes are destroyed after being used to grow bacteria to prevent their spread.

Examples

GrowthMedium.png
BacterialColonies1.png
A petri dish containing a growth medium. Several colonies of bacteria being grown in a petri dish.

Key Stage 4

Meaning

A petri dish is a transparent container used to make observations of living organisms.

About Petri Dishes

A petri dish is a piece of observational equipment.
Petri Dishes can be used as a container to grow seedlings.
Petri Dishes are used to contain tissues for study.
Petri Dishes are filled with a growth medium in order to grow bacterial colonies for study.
Petri Dishes are destroyed after being used to grow bacteria to prevent their spread.

Examples

GrowthMedium.png
BacterialColonies1.png
A petri dish containing a growth medium. Several colonies of bacteria being grown in a petri dish.


References

AQA

Petri dishes, page 17, GCSE Biology; The Revision Guide, CGP, AQA