A) A gasoline burning automobile B) A coal burning generator C) An automobile that operates on fuel cells D) A wood burning stove
A) Heat from within the Earth's crust B) Running water C) The sun D) The moon
A) The state of the atmosphere at any particular time B) The speed of the wind C) The number of clouds in the sky D) The amount of moisture in the air
A) Magnetic Field B) Rotation C) Atmosphere D) Temperature
A) The sun powers life on Earth B) The sun damages life on Earth C) The sun causes plants to wither and die D) The sun protects life on Earth
A) The Earth's changing distance from the sun B) The tilt of the Earth on it's axis C) Changes in the sun's intensity D) The Earth's rotation
A) Because it reflects sunlight B) It reflects light from stars C) It makes it's own light D) It reflects light from Earth
A) Deep craters B) Mountains C) Sunken plains, or seas D) High plateaus
A) Light B) Motion C) Electricity D) Heat
A) Temperature and pressure B) Wind and rain C) Motion and time D) Lift and thrust |