A) a star B) a planet C) a comet D) a moon
A) sixth B) fifth C) fourth D) third
A) hears B) finds C) orbits D) touches
A) heat B) light C) revolve D) disappear
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) Earth C) Mars D) Jupiter
A) The red planets are the hottest. B) The planets that have moons. C) The ones that are farthest from the sun. D) The planets that are closest to the sun.
A) It has a long orbit. B) It is just too close to the sun. C) It is such a small planet. 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 reddest planets are the warmest. C) The ones with frozen ice. D) The ones farthest away from the sun.
A) at the center of the solar system B) at the center of the universe C) at the center of the galaxy D) at the center of the Earth
A) one million degrees B) ten thousand degrees C) twenty seven million degrees D) five thousand degrees
A) It is a small star. B) It is the largest known star. C) It is an average-sized star D) It is the hottest star.
A) electrical power B) water C) heat D) light
A) Earth: It has living things. B) Jupiter: It is too big to be a planet. C) Saturn: It has so many rings. D) Pluto: It may not be a "true" planet. |