A) a comet B) a planet C) a star D) a moon
A) third B) fifth C) sixth D) fourth
A) touches B) finds C) orbits D) hears
A) revolve B) disappear C) heat D) light
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) Venus B) Mars C) Earth D) Jupiter
A) The planets that have moons. B) The red planets are the hottest. C) The planets that are closest to the sun. D) The ones that are farthest from the sun.
A) It is such a small planet. B) It has a long orbit. C) It is just too close to the sun. D) It is so rocky.
A) The planet has no water. B) It is the closest planet to the sun. C) It is just too cold on this planet. D) It would spin sideways.
A) The ones closest to the sun. B) The ones farthest away from the sun. C) The ones with frozen ice. D) The reddest planets are the warmest.
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) ten thousand degrees B) twenty seven million degrees C) five thousand degrees D) one million degrees
A) It is a small star. B) It is the hottest star. C) It is an average-sized star D) It is the largest known star.
A) water B) light C) electrical power D) heat
A) Saturn: It has so many rings. B) Earth: It has living things. C) Jupiter: It is too big to be a planet. D) Pluto: It may not be a "true" planet. |