Environment & Ecology · EVS & Pedagogy
Consider the following classroom dialogue used to introduce the concept of gravity to Class 5 students: Shahmir (pointing towards the lower part of the globe): 'You mean to say that no one stays here?' Uzaira: 'People live here too. Brazil and Argentina are here.' Shahmir: 'Are the people there standing upside down? Why don't these people fall off?' Which of the following activities or explanations would best clarify Shahmir's confusion?
- 1Drop a ball and a feather from a height. 'See how all things are attracted to the Earth? The same happens in the Southern Hemisphere.'
- 2Stick a pin into the lower part of the globe. 'Look at the pin from different positions. It is the same way in the Southern Hemisphere.'✓
- 3'Imagine an ant sitting on the lower part of a tennis ball. Is the ant standing straight and will it fall off when the ball starts rotating?'
- 4'Similar to how magnets attract iron, the Earth attracts everything that has mass.'
Correct answer
Stick a pin into the lower part of the globe. 'Look at the pin from different positions. It is the same way in the Southern Hemisphere.'
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