verb - to divide people or things into groups so that the ones with similar characteristics are in the same group

noun - one of two radios that you can carry with you and communicate with the person carrying the other radio

noun - changes in the earth's climate, especially the rise in temperature that is believed to be caused by human activity

noun - a light hat that usually has a longer part in the front to shield your eyes against the sun

noun - (Harry Potter) one of the balls in Quidditch the purpose of which is to hit players off their broomsticks

noun - a player whose job it is to protect the goal of his team and stop the opponent from scoring

noun - an activity of doing various jobs around the house (e.g. painting, mending, building etc) without the help of professionals

noun - a poisonous snake from Africa or Southeast Asia, it can spread the skin at the back of its neck

verb - to move forward on your arms and legs with your body near the ground or touching the ground completely

verb - to hit a door with your hand in order to make the people inside open the door for you

noun - a long period of time in history when the temperatures were very low and glaciers spread across the planet

noun - a person who travels by waiting at the side of the road for somebody to give him a lift

noun - one of the two hard pointed things that grow on the head of some animals, e.g. a bull etc.

noun - the part of the body that is above your mouth between your eyes, you breathe and smell through it

noun - (Harry Potter) the smallest ball used in Quidditch, the seeker who catches it gets 150 points for their team