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