Ready-made script
A lesson with everything turned on
Two must-cover sections, each with an anchor, and a time budget at the top. The full convention in one short script.
This is what your recipient sees.
Photosynthesis
Warm-up: what plants eat
Ask the class where a tree's mass comes from. Most say the soil. It is air.
The two stages
must coverKey phrase:Calvin cycle
Light reactions capture energy. The Calvin cycle builds the sugar.
Why it matters
must coverSay any one of:oxygenthe air you breathe
Nearly all the oxygen you breathe came from this reaction.
Wrap-up
Exit ticket: one sentence on where a tree's mass comes from.
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