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