Earth Flashcards

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1
Q

Where did Earth got its water?

A

from a comet or an asteroid with water that struck Earth billions of years ago

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2
Q

What do you call the distance or zone that makes Earth to hold water and become habitable?

A

Habitable zone / Goldilocks zone

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3
Q

What drives the different systems necessary to support life on Earth?

A

Heat (heat from Earth cause by radioactive decay and heat from the sun)

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4
Q

What are the 4 spheres or subsystems of Earth?

A

Atmosphere, Hydrosphere, Geosphere, and Biosphere

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5
Q

What do you call an imaginary line about which a body rotates?

A

Axis

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6
Q

What are the two kinds of rotation of Earth?

A

Sidereal day and Solar day

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7
Q

The amount it takes for Earth to turn its axis

A

Sidereal day

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8
Q

the amount of time it takes for the sun to return to the same spot

A

Solar day

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9
Q

Where did the rotation of Earth came from?

A

The angular momentum of all the particles that came together to create Earth

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10
Q

Earth is tilted at how many degrees?

A

23.5 degrees

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11
Q

A branch of science wherein it studies the transfer of energy from one to another

A

Therma-dynamics

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12
Q

A system where it doesn’t absorb any energy or no interaction of energy and the matter will retain

A

Isolated system

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13
Q

A system where the matter doesn’t actually interact with the surrounding although there is an exchange of energy

A

Closed system

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14
Q

A system where energy can be exchange, so as the matter with its surrounding

A

Open system

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15
Q

What type of Therma-dynamics system is Earth?

A

Closed system, since some of the Heat that enters Earth can bounce back

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16
Q

Earth science looks at the entire planet as a system of interacting parts called _____

A

subsystems

17
Q

Are humans part of the Biosphere? True or False

A

False, human lives depends on the interaction of the four systems

18
Q

A term that implies, involves biologic, geological, and chemical factors

A

Biogeochemical factors