Chapter 14

Question 1

familier

Answer 1

frequently seen, heard, or experienced

Question 2

hollow

Answer 2

empty space inside of something

Question 3

sonic boom

Answer 3

very loud noise created by an aircraft that travels faster than the speed of sound

Question 4

curiosity

Answer 4

the desire to learn or know more about something or someone

Question 5

flicker

Answer 5

produce unsteady light

Question 6

investigate

Answer 6

try to find something to learn how it happened