An EVS teacher demonstrates an experiment in class in which an egg sinks in a…
2023
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 ?
- A.
Allow each student to conclude on their own by adding different items in water.
- B.
The egg floats due to density of water.
- C.
You will learn the correct reason in higher classes.
- D.
Conduct and observe the experiment with different amounts of salt.
Attempted by 1 students.
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Correct answer: D
For an EVS enquiry about why an egg floats after salt is added, the best response is to let learners vary the amount of salt and observe the result.