Question 16
Which among the following materials would you identify as soft materials and why ?
Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapati.
A pencil eraser loses tiny pieces of rubber each time you use it. Why does this happen?
Classify the following as physical and chemical changes: (i) Eraser used for deleting pencil marks (ii) Cooking of food items (iii) Formation of clouds (iv) Making ice candy