Unit 5 Vocabulary

to harm or damage something

• spoil

• substance

to damage, ruin, or harm beyond repair

• destroy

• modern

what something is made from

• device

• substance

the waste or poisonous substances put into the air, water, or land

• substance

• pollution

having to do with present time

• modern

• device

a machine or tool that has a special use

• support

• device

a number of different kinds or types

• variety

• support

to have what is needed to maintain or keep something going

• device

• support