Definition of new words

I

100

• not common, unusual

Rare /adj/

200

• all the people living in a country

Population /n/

300

•  a manufacturer, a person or thing that makes or grows something

Producer /n/

400

• action created by volcanoes

Volcanic activity /n/

500

•  a place where hot water flows out from the ground

Hot spring /n/

II

100

• a large wild animal with branching horns

Deer /n/

200

• courageous

Brave /adj/

300

to live/to be

exist /v/

400

 severe

Extreme /adj/

500

•  to form something

Make up /phr v/

III

100

 become liquid when hot

Melt /v/  

200

• a form of energy that provides power to devices

Electric power /phr/

300

• rarely, almost never

Seldom /adv/

400

visiting the famous buildings of a place

sightseeing /n/

500

 currents of hot vapour

Jets of steam /phr/

IV

100

• light wind

Breeze /n/

200

• in an extremely short period of time

Instantly /adv/

300

•  to connect something to something else

Join /v/

400

•   to go across from one side of something to the other

Cross /v/

500

the side of a mountain you can ski down.

ski slope /n/

V

100

• full of people

Crowded /adj/

200

• a large amount of water that covers an area

Flood  /n/

300

•  the distance down from the top of something to the bottom

Depth /n/

400

 to form a layer over something

Cover /v/

500

a usual or typical standard

average /adj/