A) empty space B) planets C) comets D) asteroids
A) gas giant planets B) undiscovered planets C) watery planets D) rocky planets
A) 4 B) 8 C) 3 D) 2
A) Undiscovered B) Watery C) Gas Giant D) Rocky
A) Venus B) Mars C) Mercury D) Earth
A) 88 B) 50 C) 365 D) 58
A) Earth B) Mercury C) Mars D) Venus
A) Mars B) Earth C) Mercury D) Venus
A) fast B) opposite C) alike D) same
A) smooth ridges B) lakes and rivers C) tall, sharp cliffs D) volcanic ridges
A) Mercury B) Earth C) Mars D) Venus
A) sunlight B) cliffs C) volcanoes D) life
A) green B) blue C) smallest D) watery
A) plates constantly in motion B) temperature always changing C) trees constantly changing color D) water always evaporating
A) 24 hours B) half a day C) 6 months D) 365 1/4 days
A) tilt B) water cycle C) rotation D) tectonic activity
A) Mars B) Earth C) Venus D) Mercury
A) 8 B) 4 C) 2 D) 3
A) hurricanes B) seasons C) rocks D) dust storms
A) polar bears and penguins B) constant wind C) iron D) ice caps at the poles
A) one has life; one does not have life B) one is a flat, plains area; one has craters and highlands C) one rotates faster than the other D) one gets rain; one does not get rain
A) warmer than B) colder than C) opposite of D) similar to
A) closest to the sun. B) the farthest from the sun C) moving closer to the sun. D) moving away from the sun.
A) Mars B) Earth C) Mercury D) Venus
A) Mercury B) Mars C) Venus D) Earth |