unit 7. Vocabulary

its an element which usually take the form of a dark-grey metal.

• metal

• iron

• glass

• oxigen

what do you understand about STEAM

to perform or to change

• improve

• create

• innovate

• investigate

when we use again something turning into new products, we talk about?

is a smooth thick liquid that is used as a fuel

• water

• milk

• oil

• iron

it's the material which forms the trunks and branches of trees

• wood

• metal

• iron

• water

is the round glass part of an electric light or lamp

what is it?

is a circular object which forms a part of a machine

a cultivated plants that is grown as food

• garbage

• cotton

• crop

• wood