Surface Features
Stars
The Sun
Early Earth
Earth's Characteristics
100
This process typically leaves a circular depression on the surface of a planet or object.
What are impact craters (or impact processes)?
100
The first stage.
What is stellar nebula?
100
The Sun's current life cycle stage.
What is the main sequence?
100
Mass/Volume
What is density?
100
The thinnest layer of the Earth (it also has the lowest density).
What is the crust?
200
This process describes features that are created by wind.
What is Aeolian?
200
A stage that is known to act like a vacuum to any object in its vicinity.
What is a black hole?
200
This is ejected from the sun during solar flares.
What is plasma?
200
The Earth's interior layer that has the highest density.
What is the inner core?
200
This "shield" protects the Earth from solar winds.
What is the magnetosphere (or magnetic field)?
300
Geographic features caused by water.
What is fluvial?
300
The process where hydrogen turns to helium.
What is fusion?
300
The sun is this type of star. (think mass)
What is a low-medium mass star?
300
This term refers to the separation of the Earth's interior layers based on their density.
What is differentiation?
300
This layer of the Earth makes up to 67% of the interior structure. (HINT: P and S Waves can travel through this)
What is the mantle?
400
The main portion of a river (sometimes contains many turns/bends and looks very snake-like)
What is a channel?
400
It's entire life, a star "fights" against this.
What is gravity?
400
When solar winds are deflected towards Earth's poles.
What is an aurora?
400
Earth's earliest atmosphere was created through this process. (HINT: Think central vents)
What is outgassing?
400
Time it takes for Earth to complete one orbit.
What is 365 days or 1 year?
500
An area of sediment buildup where a smaller body of water (like a river) flows into a larger body of water.
What is a delta?
500
Last remaining parts of a star, could become new stars.
What is planetary nebula?
500
It takes this many much time for the sun's light to reach earth.
What is 8 minutes?
500
Evidence shows that Earth began to form ________ years ago.
What is 4.6 Billion?
500
The process of convection in the outer core is called ______________. It is what creates the Earth's magnetosphere.
What is dynamo?
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