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The flashcards below were created by user
Anonymous
on FreezingBlue Flashcards.
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What is the name of the sun's surface layer?
photosphere
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What is an elongated circle, or oval shape called?
Ellipse
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What are the objects called that orbit the sun in a belt between Mars and Jupiter?
asteroids
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What is the trapping of heat by the atmosphere?
greenhouse effect
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What is a description of the Solar system in which all the planets revolve around Earth?
geocentric
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what is a chunk of rock or dust in space called?
meteoroid
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What are reddish loops of gas that connect different parts of sunspot regions?
prominences
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What are areas of gas on the sun that are cooler than the gases around them?
sunspots
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what is a stream of electrically charged particles sent out by the corona called?
solar wind
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What is the outer layer of the sun's atmosphere?
corona
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A model that explains thatEarth and the other planets revolve around the sun is called...
heliocentric
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The spinning of Earth around its axis
rotation
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the study of the moon, stars and other objects in space
astronomy
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the different shapes of the moon you see from Earth
phases
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the imaginary line that passes through Earth's center and the North and South poles
axis
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The two days of the year on which the sun reaches its greatest distance north or south of the equator
solstice
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earth's path as it revolves around the sun
orbit
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the movement of one object around another object
revolution
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the cyclical rise or fall of the ocean water
tide
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A round pit on the moons surface
crater
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The darkest part of the moon's shadow
umbra
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Dark, flat areas on the moon's surface
maria
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The part of the shadow that surrounds the darkest part
penumbra
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flow that transfers heat within a fluid
convection currents
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place where two plates converge
convergent boundary
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place where two plates diverge
divergent boundary
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When day and night is each about 12 hours everywhere on Earth.
equinox
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heat from Earth's interior.
geothermal energy
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transfer of thermal energy from one object to another
heat transfer
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Area where magma from deep within the mantle melts.
hot spot
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blocking of sunlight to the moon that occurs directly between the sun and moon
lunar eclipse
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molten mixture of rock forming substances, ages and water from the mantle
magma
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single landmass that broke apart 200 million years ago and formed today's continents
Pangaea
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long tube that magma moves in to the Earth's surface
pipe
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deep valley that forms when two plates move apart
rift valley
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movement of object around another one
revolution
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process which molten material adds new oceanic crust to the ocean floor
sea floor spreading
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blocking of sunlight to Earth that occurs when the moon is directly between the sun and Earth
solar eclipse
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device that determines the distance of an object under water by recording echoes of sound waves
sonar
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process which oceanic crust sinks beneath a deep-ocean trench
subduction
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states that all of continents were once together and then broke apart to form our continents
Theory of Continental Drift
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states that pieces of Earth's lithosphere are in slow, constant motion, driven by convection currents in the mantel
Theory of Plate Tectonics
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place where two parts slip past each other, moving in opposite diections
transform boundary
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What causes tides?
difference in how much the moon's gravity pulls on different parts of the Earth
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What causes day and night?
rotation
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What are the phases of the moon?
different shapes of the moon we see from Earth
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When are tides highest?
When Earth is closest to the moon.
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Why do we have seasons?
Revolution and tilt of Earth on it's axis.
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Uses of the space station.
observe and experiment in space
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