A) a comet B) a moon C) a star D) a planet
A) fifth B) fourth C) third D) sixth
A) touches B) orbits C) finds D) hears
A) revolve B) light C) heat D) disappear
A) I know that man is a famous rock star. B) My teacher put a red star on my paper. C) A star is a hot, glowing ball of gases. D) That lady is a pretty movie star.
A) Earth B) Jupiter C) Mars D) Venus
A) The planets that have moons. B) The ones that are farthest from the sun. C) The red planets are the hottest. D) The planets that are closest to the sun.
A) It is so rocky. B) It is such a small planet. C) It has a long orbit. D) It is just too close to the sun.
A) The planet has no water. B) It would spin sideways. C) It is the closest planet to the sun. D) It is just too cold on this planet.
A) The reddest planets are the warmest. B) The ones closest to the sun. C) The ones with frozen ice. D) The ones farthest away from the sun.
A) at the center of the galaxy B) at the center of the universe C) at the center of the Earth D) at the center of the solar system
A) ten thousand degrees B) twenty seven million degrees C) one million degrees D) five thousand degrees
A) It is the largest known star. B) It is the hottest star. C) It is an average-sized star D) It is a small star.
A) electrical power B) water C) light D) heat
A) Pluto: It may not be a "true" planet. B) Earth: It has living things. C) Jupiter: It is too big to be a planet. D) Saturn: It has so many rings. |