Lesson 8 Quiz Flashcards
Fastest cooling to slowest cooling
Smallest planet cools faster than largest planet
What part of Earth’s atmosphere absorbs most uv light?
Stratosphere
What part of Earth’s atmosphere absorbs most x-rays?
thermosphere
Gas particles escape through the
exosphere
The densest layer of atmosphere on Earth, Venus and Mars is
troposphere
What kind of light does Earth emit?
Infrared
The greenhouse effect raises earth’s temperature because the infrared light radiated by Earth’s surface
Is temporarily absorbed by greenhouse gasses and then reemitted in random directions
the slowly increasing distance between south america and africa is due to
seafloor spreading
old faithful gets is energy from a
hot spot
layered ____ exposes
sedimentary rock
australia is composed of old
continental crust
deep Mariana’s trench is due to
subduction
______ is relatively young
seafloor crust
Earth’s average temperature has varied over the last 800,000 years by
between 7-19 degrees