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

A

light color, low density minerals

Q

felsic

A

continental crust

Q

mid-ocean ridges

A

divergence, new rocks made

Q

sea floor spreading

A

magnetic patterns, divergence

Q

cycle

A

repeating pattern

Q

incoming solar energy

A

visible

Q

outgoing heat energy

A

infrared

Q

oblate spheroid

A

Earth’s true shape

Q

slightly elliptical

A

Earth’s orbit’s shape

Q

latitude lines

A

horizontal, measure N. or S.

Q

longitude lines

A

vertical, measure E. or W.

Q

Prime Meridian

A

starting line for longitude

Q

Prime Meridian

A

Greenwich, England

Q

equator

A

starting line for latitude

Q

sunrise & sunset direction (for Equinox)

A

E to W

Q

sunrise & sunset direction (for Winter Solstice)

A

SE to SW

Q

sunrise & sunset direction (for Summer Solstice)

A

NE to NW

Q

Summer Solstice

A

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

Q

Winter Solstice

A

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

Q

Vernal (Spring) Equinox

A

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

Q

Autumnal (Fall) Equinox

A

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

Q

Equinox

A

equal day and night everywhere on Earth

Q

equator

A

experiences equal day and night all year long

Q

Earth’s axial tilt

A

23.5 degrees

Q

Earth’s axial tilt & revolution

A

cause seasons

Q

waxing phases

A

light on right

Q

waning phases

A

light on left

Q

29.5 days

A

1 full Moon to the next

Q

solar eclipse

A

block Sun with Moon

Q

lunar eclipse

A

block Moon with Earth

Q

solar eclipse

A

during new Moon

Q

lunar eclipse

A

during full Moon