3/23 Vocabulary Test

a cause or explanation for an action, opinion, or event

• details

• explain

• justify

• reasons

to show good reasons or cause for

• details

• explain

• justify

• reasons

to make clear in speech or writing; show in detail

• details

• explain

• justify

• reasons

a small item; a particular

• details

• explain

• justify

• reasons

to provide proof or evidence for

• details

• support

• main purpose

• key point

most important reason

• details

• support

• main purpose

• key point

important idea about a topic

• key point

• main purpose

• support

• details

a very large number that is not named exactly

• millions

• wingspan

• prehistoric

the distance from the tip of one wing of a bird or plane to the tip of the other

• millions

• wingspan

• prehistoric

belonging to a period in a time before written history

• prehistoric

• millions

• wingspan