Transcription of Lesson Plan 12 - ABC - Australian Broadcasting …
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Lesson Plan 12 - ABC - Australian Broadcasting …
Lesson plan 12 Salt and germination Brief description This fascinating, cheap and very reliable experiment clearly demonstrates the damaging effects of salinity (salt) on seed germination . Mung beans are germinated on paper towels in takeaway containers using various concentrations of salt water. The activity captivates student interest and results are clearly visible within three days. Use it as part of a unit on plants or Australia s salinity crisis. * Readily available from supermarkets and health food stores Duration: 80 - 145 minutes (total over 3 to 7 days) Year level: Lower to upper primary Topics: Plants, germination , salinity Preparation: 10 to 20 minutes Extensions: SOSE: Investigate Australia s salinity crisis Overview SESSION 1: DISCUSSION AND PREPARATION (50 70min) Introduce the experiment Discuss procedure Prepare salt solutions Distribute materials and prepare Petrie dishes Add mung beans to Petrie dishes and store in cool location OBSERVATION SESSIONS (over 3 to 7 days) (10 15min) Record the number of beans that have sprouted Record any other observations that can be made CONCLUDING SESSION (20 30min) Record the number of beans that have sprouted Record any
Lesson Plan 12 Salt and germination Brief description This fascinating, cheap and very reliable experiment clearly demonstrates the damaging effects of salinity (salt) on seed germination.
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