Unit 23

Question 1

If something is _, then it is extremely large.

Answer 1

astronomical

Question 2

An _ is the smallest unit of a substance.

Answer 2

atom

Question 3

_ is the distance from one side to the other side of something.

Answer 3

breadth

Question 4

A _ is the distance completely around a circular object.

Answer 4

circumference

Question 5

A _ is an object in space made of ice and rock with a tail of glowing dust.

Answer 5

comet

Question 6

A _ is a large hole in a planet’s or moon’s curface.

Answer 6

crater

Question 7

A _ is the curved shape lit on the moon’s face during its early and late stages.

Answer 7

crescent

Question 8

_ is the small pieces scattered from something wrecked or destroyed.

Answer 8

debris

Question 9

_ is the complete loss of hope.

Answer 9

despair

Question 10

To _ something means to place it firmly within a surrounding thing.

Answer 10

embed

Question 11

A _ is a small part of something.

Answer 11

gragment

Question 12

A _ is any extremely large collection of star systems.

Answer 12

galaxy

Question 13

If something is _, then it is extremely large.

Answer 13

gigantic

Question 14

_ is a state of being almost completely dark.

Answer 14

gloom

Question 15

To _ means to send out energy or hear.

Answer 15

radiate

Question 16

To _ means to move around without a plan or purpose.

Answer 16

roam

Question 17

If something is _, then it is lonely or the only one.

Answer 17

solitary

Question 18

The _ is the full range of color ranging from red to violet.

Answer 18

spectrum

Question 19

A _ is a three-dimensional round shape, like a ball.

Answer 19

sphere

Question 20

_ is the position of something or someone in relation to others.

Answer 20

status