Assertion: mollusk's shell | /r/Desires | extra cleaning bags
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Source sentences:
text: Make sure to have a copy of the lesson plan checklist Copy of the general lesson plan and if using one of the other plans, copy that out as well Rubbing alcohol and or formaldehyde and jars with tight fitting lids for preserving any living tissues to be used for the classroom You may want to bring a jug of strong bleach water to class to clean any shells requiring extra cleaning Bags (Zip locks work great!) and a labeling pen for storing the students' shell contributions Collected shells (found by students or teacher or both).