Glossery

acid ( n )  a chemical liquid that burns

bank  (of a river) the ground along the side of a river

comfort  (v)  to try to make someone feel happier

dilute  to make a liquid thinner or not so strong by adding water

experiment (n)  a test on something to find out what happens and to learn something new

float  to stay on top of the water

Heaven's sake (for...)   words people say to show they are angry or surprised

journalist  a person who writes for newspapers, television or radio

kick (v)  to move a foot very quickly and suddenly

liar  a person who says  things that are not true

magnifying glass  a special glass that makes small things look bigger

nasty  bad, not nice

produce (v)  to make  something

rat  a small grey or brown animal with a long tail

sandbank  a large area of sand in a river or the sea

thoughtful  thinking

unconscious  a kind of sleep, when a person is ill or hurt

wave (n)  a movement of water in the sea or a river