Word Associations Flashcards by Heather Renyck

Q

Foucault Pendulum

A

evidence for Earth’s rotation

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Q

altitude of Polaris

A

equals your latitude

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Q

angle of insolation

A

altitude of Sun

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Q

Polaris

A

North Star

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Q

15 degrees of longitude

A

1 time zone, 1 hour

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Q

15 degrees/hour

A

Earth’s rotational velocity

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Q

cold and dry

A

high pressure

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Q

warm and wet

A

low pressure

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Q

nuclear fusion

A

Sun’s core

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Q

white dwarf

A

fate of Sun

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Q

Coriolis Effect

A

wind deflection

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Q

Coriolis Effect

A

from Earth rotation

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Q

Coriolis Effect

A

winds to the right (N. hem.)

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Q

index fossil

A

short-lived

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Q

index fossil

A

found many places

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Q

Big Bang

A

Red Shift

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Q

Big Bang

A

background radiation

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Q

Big Bang

A

universe creation

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Q

Red Shift

A

moving away

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Q

mafic

A

dark color, dense minerals

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Q

mafic

A

ocean crust

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Q

felsic

Study These Flashcards

A

light color, low density minerals

Q

felsic

Study These Flashcards

A

continental crust

Q

mid-ocean ridges

Study These Flashcards

A

divergence, new rocks made

sea floor spreading

magnetic patterns, divergence

cycle

repeating pattern

incoming solar energy

visible

outgoing heat energy

infrared

oblate spheroid

Earth's true shape

slightly elliptical

Earth's orbit's shape

latitude lines

horizontal, measure N. or S.

longitude lines

vertical, measure E. or W.

Prime Meridian

starting line for longitude

Prime Meridian

Greenwich, England

equator

starting line for latitude

sunrise & sunset direction (for Equinox)

E to W

sunrise & sunset direction (for Winter Solstice)

SE to SW

sunrise & sunset direction (for Summer Solstice)

NE to NW

Summer Solstice

June 21 (Sun high in S. sky at noon)

Winter Solstice

December 21 (Sun low in S. sky at noon)

Vernal (Spring) Equinox

March 21 (Sun in middle of S. sky at noon)

Autumnal (Fall) Equinox

September 22 (Sun in middle of S. sky at noon)

Equinox

equal day and night everywhere on Earth

equator

experiences equal day and night all year long

Earth's axial tilt

23.5 degrees

Earth's axial tilt & revolution

cause seasons

waxing phases

light on right

waning phases

light on left

29.5 days

1 full Moon to the next

solar eclipse

block Sun with Moon

lunar eclipse

block Moon with Earth

solar eclipse

during new Moon

lunar eclipse

during full Moon