Earth Systems
True or false: the biosphere does not interact with other Earth Systems
false
they all interact with each other
What shape is the Earth's orbit?
Elliptical
Earth is in the ______________, the region around a star where water remains liquid and surface temperatures are friendly to life.
habitable zone
How often does the moon orbit earth?
month, 30 days, 29.5 days
What is our galaxy called?
The Milky Way
Where is the majority of the water on earth located?
in the oceans
On average, how far away is the earth from the sun?
93 million miles
Compare the geocentric model to the heliocentric model
The Earth was the fixed center of the
universe vs. the sun is the center of the universe and the other planets rotate it
why does the moon change shape?
The Lunar Phase is the shape of the sunlit portion of the moon’s face as seen from Earth
What is oceanography? What is meteorology?
study of the oceans, study of the atmosphere
Name and describe the four earth systems
The lithosphere is the rocky outer layer of the earth.
The hydrosphere is all of the Earth’s water.
The atmosphere is the thin gaseous layer that surrounds the earth.
Compare equinoxes and solstices
equinox = not tilted toward or away from the sun
solstice = tilted towards or away, longest or shortest day of the year
List the 8 planets of the solar system in the order that they are from the sun
Mercury venus earth mars jupiter saturn uranus neptune
Describe solar and lunar eclipses
solar: sun blocked by moon
lunar: moon made darker by earth between it and sun
What is geology?
study of the materials and processes that make up the earth
What are the two layers of the earth that make up the lithosphere
Crust and upper mantle
List 4 important latitudes on the earth
arctic circle, tropic of cancer, tropic of capricorn, antarctic circle
What distinguishes the inner planets from the outer planets (other than the obvious)?
inner = small and rocky
outer = large and gaseous
name and describe the two parts of a shadow when discussing eclipses
the umbra (the darker central part) and the penumbra (outer part).
What is the Earth's exact degree of tilt?
23.5 degrees
What are the two PRIMARY gases that make up the atmosphere?
nitrogen and oxygen
Define perihelion and aphelion. When do these events occur?
Perihelion is when Earth is closest to the sun (about 91 million miles), in January.
Aphelion is when Earth is farthest from sun (about 94.5 million miles), in July.
Name four ways that the Earth is "just right"
size, water, elements, plate tectonics, distance from the sun, tilt
new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent
What is the reference for the verse: "Your steadfast love, O LORD, extends to the heavens."
Psalm 36:5