B5 Unit 23

The __________ is a celestial body composed primarily of ice and dust that orbits the Sun in an elongated elliptical path.

• comet

• atom

• crescent

• solitary

the position of something or someone in relation to others

(a)  

lonely or the only on

(a)  

to move around without a plan or purpose.

(a)  

state of being almost completely dark

(a)  

extremely large (starts with G)

(a)  

The number of stars in the universe is so __________ that it is difficult to comprehend.

• astronomical

• sphere

• gloom

• solitary

Earth is a three-dimensional object that can be represented as a geometric __________.

• crater

• sphere

• circle

• fragment

The __________ of a rainbow consists of a continuous range of colors, including red, orange, yellow, green, blue, indigo, and violet.

• embed

• status

• spectrum

• sphere

Stars __________ energy in the form of light and heat.

• sphere

• radiate

• embed

• status