Unit 5 Reading Vocabulary Review

a terrible, sudden event

• eyewitness

• evidence

• catastrophe

• conclude

thick or heavy

• exert

• lofty

• durable

• dense

able to last a long time in good condition

• durable

• dense

• heave

• lofty

proof; information and facts that are helpful in forming a conclusion or supporting an idea

• evidence

• conclude

• catastrophe

• theory

to get bigger

• contract

• heave

• expand

• dense

a scientific test to try out something in order to learn about it

• eyewitness

• firsthand

• theory

• experiment

coming directly from actually seeing or experiencing something

• secondhand

• firsthand

• observation

• exert

a person who has seen something happen and is able to describe it

• observation

• eyewitness

• firsthand

• experiment

to move up and down over & over; to lift, pull, push, or throw with a lot of effort

• exert

• heave

• expand

• contract

high up

• heave

• dense

• lofty

• contract