unit 2

sciences

100

you work with numbers, calculate things, it is one of the basic school subjects

mathematics

200

you study plants and animals

biology

300

you study the stars and planets

astronomy

400

you do experiments with various substances

chemistry

500

you study the light, sound or temperature

physics

parts of computer

100

part where you see the picture

screen

200

part which you use for writting

keyboard

300

part you need to get a paper copy of a document

printer

400

computer you can easily take with you and carry around

laptop

500

part of a computer you need to hear the sound

speakers

vocabulary

100

objev

discovery

200

chránit

protect

300

řešení

solution

400

prostředí

environment

500

výzkum

research

linkers

100

I haven´t been to the cinema ....... several weeks.

for

200

I didn´t see my friend ......... I was walking home.

when, while

300

I fell asleep ............... the film.

during

400

We need to hand in the homework ........ Friday.

by

500

I have to stay here ............. I finish my work.

until