A) a comet B) a star C) a moon D) a planet
A) fourth B) third C) sixth D) fifth
A) orbits B) touches C) hears D) finds
A) disappear B) revolve C) light D) heat
A) I know that man is a famous rock star. B) That lady is a pretty movie star. C) A star is a hot, glowing ball of gases. D) My teacher put a red star on my paper.
A) Mars B) Venus C) Earth D) Jupiter
A) The planets that are closest to the sun. B) The ones that are farthest from the sun. C) The red planets are the hottest. D) The planets that have moons.
A) It is so rocky. B) It is such a small planet. C) It is just too close to the sun. D) It has a long orbit.
A) The planet has no water. B) It is just too cold on this planet. C) It would spin sideways. D) It is the closest planet to the sun.
A) The reddest planets are the warmest. B) The ones farthest away from the sun. C) The ones with frozen ice. D) The ones closest to the sun.
A) at the center of the universe B) at the center of the solar system C) at the center of the Earth D) at the center of the galaxy
A) one million degrees B) five thousand degrees C) ten thousand degrees D) twenty seven million degrees
A) It is the hottest star. B) It is a small star. C) It is an average-sized star D) It is the largest known star.
A) heat B) light C) electrical power D) water
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. |