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