CHALLENGES

Democracy CHALLENGE 1

Lengths: the measurement of something from end to end or along its longest side

lack: to not have or not have enough of something that is needed or wanted

Spread: to (cause to) cover, reach or have an effect on a wider or increasing area

Argue: to speak angrily to someone, telling them that you disagree with them

Threshold: the floor of entrance to a building or room

Environment: affected? CHALLENGE 2

Prowl: to move around quietly in a place trying not to be seen or heard, such as when hunting

Elk: a large deer with a lot of hair on its neck which lives in the forests of the northern US and Canada

Beavers: an animal with smooth fur, sharp teeth and a large flat tail, which lives in a dam (= a wall of sticks and earth) that it builds across a river

The history of Science CHALLENGE 3

Blemish: a mark on something that spoils its appearance

struggled: to experience difficulty and make a very great effort in order to do something

Enthuse: to express excitement about something or great interest in it

Untold: so great in amount or level that it can not be measured or expressed in words

Animals thinking CHALLENGE 4

Squeak. to make a short very high cry or sound

surreptitiously: done secretly, without anyone seeing or knowing

Shave: to remove hair from the body, especially a man's face, by cutting it close to the skin with a razor, so that the skin feels smooth

Flit:: to fly or move quickly and lightly

Green Sahara CHALLENGE 5

Soil:the material on the surface of the ground in which plants grow; earth

sip:to drink, taking only a very small amount at a time

Beneath: in or to a lower position than, under

Wobble: to (cause something to) shake or move from side to side in a way that shows a lack of balance

Middle East CHALLENGE 6

roughly uneven or not smooth, often because of being in bad condition

Settle to relax into a comfortable position

Volcanology CHALLENGE 7

ash a forest tree which has a smooth grey bark, small greenish flowers and seeds shaped like wings

isolated: a forest tree which has a smooth grey bark, small greenish flowers and seeds shaped like wings

Lungs either of the two organs in the chest with which people and some animals breathe

Obsidian a type of almost black glass-like rock

Medicine, CHALLENGE 8

placebo: something that is given to try to satisfy a person who has not been given the thing they really want

drop to fall or to allow something to fall

Relief food, money or services which provide help for people in need