A) a star B) a comet C) a planet D) a moon
A) third B) fourth C) sixth D) fifth
A) touches B) finds C) hears D) orbits
A) heat B) light C) disappear D) revolve
A) A star is a hot, glowing ball of gases. B) That lady is a pretty movie star. C) My teacher put a red star on my paper. D) I know that man is a famous rock star.
A) Venus B) Earth C) Mars D) Jupiter
A) The red planets are the hottest. B) The planets that are closest to the sun. C) The ones that are farthest from the sun. D) The planets that have moons.
A) It has a long orbit. B) It is so rocky. C) It is such a small planet. D) It is just too close to the sun.
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 with frozen ice. B) The reddest planets are the warmest. C) The ones closest to the sun. D) The ones farthest away from the sun.
A) at the center of the galaxy B) at the center of the Earth C) at the center of the universe 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 hottest star. B) It is a small star. C) It is the largest known star. D) It is an average-sized star
A) light B) water C) heat D) electrical power
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. |