Corn is a food which can be eaten in both raw and cooked forms. It is hard in its raw form but softens on boiling. Similarly, sprouts also soften in water for a few hours. Does water also help in softening a material?

Cover the lighted torch with your palm in a dark room. What do you observe?

Cover the lighted torch with your palm in a dark room. Does the torchlight pass through your palm?

Cover the lighted torch with your palm in a dark room. Is your palm opaque, transparent or translucent?