A) force B) loops C) particles D) nucleus
A) particles B) force C) nucleus D) solar wind
A) nucleus B) particles C) loops D) fluorescent
A) fluorescent B) solar wind C) nucleus D) loops
A) loops B) force C) particles D) nucleus
A) force B) loops C) solar wind. D) fluorescent
A) tells how to make something B) gives information about the solar system C) took place long ago D) is written in the first person
A) a group of stars B) a full moon C) the sun D) a flaming ball
A) People did not understand comets. B) Earthquakes and floods occurred after a comet appeared. C) Comets appeared in the sky suddenly. D) Bad things always happened after a comet appeared.
A) a snowball B) a ball of frozen gases C) a star D) a planet
A) doctors B) astronomers C) dentists D) astronauts
A) between the planets B) behind the moon C) around the sun D) past the farthest planet
A) a planet B) a coma C) gravity D) an asteroid
A) dirty snowball B) bulb shooting star C) solar wind D) fluorescent light bulb
A) fur B) gas and dust C) ice D) rocks
A) comets B) asteroids C) meteors D) boulders
A) ellipses B) periods C) loops D) years
A) when the next solar system will appear in the universe B) what comets are made of and how they move and change C) traveling comets that can change our lives D) how to become an astronomer and learn to write books. |