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INtent:
INtent:
To understand the use of indicators in chemistry
Setting the scene: Lights?
Setting the scene: Lights?
Why do these lights exist?
What are they for?
Write your ideas down.
Answer
Answer
The lights exist to give us information
The indicator on the car tells drivers and pedestrians where the car is planning on going.
The green light on the xbox tells you that everything is ok with the xbox
The red light on the xbox tells you that there is something wrong with the xbox.
These lights are examples of INDICATORS
Red cabbage
Red cabbage
The juice from a red cabbage has some very special properties.
We are going to make an indicator from the red cabbage.
Write your own method for making red cabbage indicator.
Use bullet points.
Make them into a logical sequence
Are there any risks you need to consider?
Testing
Testing
Use a pipette to add a drop of the following chemicals to the spotting tray - you only need a couple of drops.
Then add the red cabbage juice to the chemicals
Write your observations.
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