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