SHS1 Geography · Semester 2 Week 5: Geospatial Data Collection, Representation and Interpretation

Lesson notes

Learning Objectives

Indicator: 1.2.2.LI.1 - Discuss the methods of collecting geospatial data (surveying, remote sensing, GPS etc.)

By the end of the lesson, learners can:

Define spatial (geospatial) data and give at least three examples of spatial data that can be collected within the school compound or a nearby community.
Distinguish between traditional methods (chain and compass surveying) and modern methods (remote sensing, GPS, mobile apps) of collecting geospatial data.
Explain, with examples, how GPS and mobile apps are used to collect spatial data and what type of data each tool can gather.
Describe how satellites such as Landsat collect repetitive spatial data around the earth and discuss at least one use of such data for Ghana.
Evaluate the strengths and weaknesses of at least one traditional and one modern geospatial data collection method, and justify which is more suitable for a given situation.

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Curriculum details

Strand: Navigating Our Environment (Strand 2)
Sub-strand: Geospatial Data Collection, Representation and Interpretation (2.2)
Content standard: 1.2.2.CS.1 - 1.2.2.CS.1 Demonstrate knowledge and skills in basic geospatial data collection methods 1.2.2.LO.1 Collect geospatial data using both traditional methods e.g. chain and compass surveying and modern methods e.g. remote sensing, Global Positioning System (GPS) and mobile Apps
Indicator: 1.2.2.LI.1 - Discuss the methods of collecting geospatial data (surveying, remote sensing, GPS etc.)
Suggested placement: Semester 2, Week 5 (Week 25 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: NaCCA curriculum document, p. 47

Exemplars (from the NaCCA curriculum)

Talk for learning:
- Through questioning, brainstorm on the definition of spatial data, and the spatial data learners can acquire in the classroom, school compound or field. Learners should consider the emotions of individuals who struggle to express themselves
- Use pyramid discussion to initiate discussion on (i) The modern spatial data collection methods/tools (ii) How they are used? (iii) What data these methods/tools can collect Ensure that reserved learners contribute during the brainstorming and discussion
Activity-based learning: Group learners to use mobile and computer Apps to collect spatial data on the field, and discuss their findings in class.
Talk for learning: Learners watch videos on how satellites (e.g. Landsat) revolve around the earth and collect repetitive spatial data around the world and discuss that in class.

Assessment (1.2.2.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 4 Extended critical thinking and reasoning.

Teaching and Learning Resources:
- Mobile phone
- Computer Apps
- Google Earth App
- GPS
- Video on how satellites revolve around the earth