A student suspends a bar magnet by a thread and records the following statements in her notebook: S1 - The bar magnet comes to rest in such a position that one end points towards the geographic north and the other towards the south. S2 - A freely suspended magnet always aligns itself along the Earth's North-South direction. Which of the following statements is correct regarding S1 and S2?

A teacher notices during a lesson on force and motion that some students are confused. She conducts a short test in the middle of the lesson to identify misconceptions and adjusts her teaching approach based on the results. What kind of assessment is the teacher conducting?

In a school project work, such as one on 'Water Conservation' where students design models, present findings, and submit detailed reports, assessment can be done through: