Science · Science Pedagogy

Malti, after teaching the concept of density, found that students have not understood Archimedes' principles. She comes up with many activities to do in class. Which of the following strategies would best address the above issue? (A) Take a ball and put it in freshwater. Add salt and see the difference. (B) Take an empty glass mug and immerse it in water and make children observe the bubbles of air rise. (C) Make students themselves determine if an object will sink or float. (D) Ask students to design a toy submarine. (E) Ask students to design a lactometer.