Question
Easy
An EVS teacher demonstrates an experiment in class in which an egg sinks in a tumbler with water, but floats upon adding salt to the water. Which of the following is the most appropriate explanation she can give to students' enquiry?
1
Allow each student to conclude on their own by adding different items in water.
2
The egg floats due to density of water.
3
You will learn the correct reason in higher classes.
4
Conduct and observe the experiment with different amounts of salt.
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P1
Chapter: Pedagogy of EVS
Topic: Approaches & Evaluation in EVS Teaching
Correct Answer
Option D
Explanation
Option 4 is the correct answer because it encourages students to engage in hands-on learning and experimentation, which are crucial for understanding scientific concepts. By conducting and observing the experiment with different amounts of salt, students can directly observe how the density of the water changes with the addition of salt, leading to the egg floating. This approach allows students to see the relationship between the amount of salt andтАжRead More
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