A
B
C
D
E
100

a section of a wide road, that is marked by painted white lines, to keep lines of traffic separate

car lane

100

people who are unable to hear well

deaf people

100

the top or outside part of something

surface

100

very old, from old times

ancient

100

come from, have a beginning somewhere

originate

200

a bridge that hangs from steel cables that are supported by towers at each end

suspension bridge

200

to provide money for something

to finance

200

a kind of, a group of (animals, plants)

species

200
the process of making our environment dirty and unhealthy for living

pollution

200

the strength of something

endurance

300

free time

spare time

300

unable to get away

stranded

300

not existing any more (animals, plants)

extinct

300

to start an organisation

to found

300

flat land

plain

400

be involved in something

take part

400

change in the sea level

tide

400

 the long, curved teeth that stick out of the mouth of elephants and some other animals

tusks

400

wish to have too much food, money or power

greed

400

extreme tiredness

fatigue

500

the study of the structure of substances and how they react when they are combined

chemistry

500

the opposite of deep

shallow

500

the place where a particular type of animal or plant is normally found

habitat

500

long piece of cloth between two poles carrying a message

banner

500

successful and rich

prosperous