2Choose the answer or answers that you think are correct.
A child watches a boat in a seaside harbour and wonders how the boat floats. Is it that
a) the boat floats because it is lighter than water?
b) the boat floats because it is made out of wood?
c) the boat floats because water it has pushed out of its way pushes back?
d) the boat floats because most of it is above the water?
She looks into the water and sees a rusty tin can, rolling on the sea bed. Is it that on being thrown into the water,
a) the tin can sank because it is made out of metal
b) the tin can sank because it pushed only a little bit of water out of its way
c) the tin can sank because it is heavier than water
d) the tin can sank because it had no air in it
Karen Hornby (not verified)
These questions are a delight - they conjure up a mental image of the situation because of the language used, as well as testing students' understanding. Thank you.