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In this activity students work as a team to determine the effect salt has on plant germination. They then use their lab data to create a report on how the increasing salt concentrations affected the germination of the seeds and at what salt concentration no seeds will germinate. Students will discover that salt buildup is an existing or potential hazard on almost all of the 42 million acres of irrigated ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Lab activity
Subject: Agricultural science, Soil science
 
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National Science Education Standards (NSES): Read
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Skills: Read (1)
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DLESE Community Collection (DCC)    Browse collection
Pedagogically Annotated Collection     Browse collection
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In this exercise from SERC's Starting Point, students measure a topographic and geologic cross-section across a floodplain by simple surveying and auguring techniques. This example demonstrates how basic GIS elements can enhance learning by adding spatial context and introducing mapping techniques. GIS elements encourage students to consider the spatial context of field observations, introduce GPS ... Full description.
Grade level: College (13-14), College (15-16)
Resource type: Computer activity, Lab activity, Assessment / Evaluation, Imagery - remotely sensed, Map, Ref. material, Software
Subject: Educational theory and practice, Geologic time, Geology, Hydrology, Soil science
 
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Skills: Read (2)
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This resource is included in the following collections:
Starting Point    Browse collection
Pedagogically Annotated Collection     Browse collection