____39. Why is the moon considered a satellite of Earth?

A. It affects the tides on Earth. C. It orbits Earth.

B. It keeps Earth on its orbit. D. It pulls Earth toward it.

____40. Where does the moon get its light?

A. Earth C. stars

B. produces light on its own D. sun

____41.How long does it take the moon to complete its orbit around the earth?

A. one day B. one month C. one week D. one year

____42. When Earth is between the moon and the sun, the moon’s phase is most likely

a ___________.

A. full moon B half moon C. quarter moon D. new moon.

____43. Which shows the correct sequence of the moon phases?

A. gibbous moon-crescent moon-new moon-full moon, half moon

B. new moon-crescent moon-half moon-quarter moon-full moon

C. new moon-full moon-half moon, gibbous moon-crescent moon

D. new moon-gibbous moon-full moon-crescent moon, half moon

____44. Which period describes when the moon appears to be decreasing in size?

A. lunar eclipse waning moon C. waxing moon

B. waning moon D. none of these

____45.Why does the moon have different phases?

A. It follows the sun. C. It moves around the sun

B. It moves around the earth D. Its surface experience seasons

____46. Which statement is true about stars?

A. Big Dipper and little Dipper are examples of constellations.

B. Constellations help navigators whenever they are lost in the sea.

C. Orion consists of five stars that seem to form letter W.

D. Stars do not move.

____47. The nearest star to the Earth is ________

A. Andromeda C. Polaris

B. Orion D. Sun

_____48. The color of the star is related to its _________

A. Energy C. size and temperature

B. shape and size D. Size

_____49.What is the Latin name given to the constellation of twins?

Aries B. Gemini C. Libra D. Scorpio

_____50. What is the largest constellation?

A. Andromeda C. Orion

B. Cygnus D. The Crux​