Mrs Lehr
Student Instructions
Tap add and go to and write and what you think our mystery substance is. Add a reason why you think it is so important. "It is important because..." Tick twice to add to your journal.
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Tap add and go to 
and write and 
what you think our mystery substance is.
Add a reason why you think it is so important. "It is important because..."
Tick twice to add to your journal.
