Ch 13 Flashcards

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1
Q

The star at the center of the solar system is_______________

A

sun

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2
Q

To spin on it’s axis

A

rotates

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3
Q

Earth’s________ is an imaginary line that passes through the north pole and the south pole

A

axis

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4
Q

The _______ is an imaginary line going all the way around Earth halfway between the north pole and the south pole

A

equater

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5
Q

Earth _______ or travels in a path around the sun.

A

revolves

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6
Q

The path that earth take as it revolves is it’s ________

A

orbit

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7
Q

When the amount of daylight is the greatest

A

summer solstice

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8
Q

When the amount of night time is the longest

A

winter solstice

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9
Q

A ________ is a natural body that revolves around a planet

A

moon

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10
Q

A ___ is a low bowled -shape area on a surface of a planet or moon

A

crater

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11
Q

A __________ _______ is one of the shapes of the moon

A

moon phase

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12
Q

first phase of moon

A

new moon

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13
Q

second phase of moon

A

waxing cresent

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14
Q

third phase of moon

A

first quarter

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15
Q

fourth phase of moon

A

waxing gibbous

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16
Q

fifth phase of moon

A

Full moon

17
Q

sixth phase of moon

A

waning gibbus

18
Q

seventh phase of moon

A

third quarter

19
Q

eight phase of moon

A

waning creasent

20
Q

An ____ occurs when one body in space blocks light from reaching another object in space

A

eclipse

21
Q

Eclipse we see on earth are ______ and ________________

A

solar eclipse / lunar eclipse

22
Q

The bending of liight

A

refraction

23
Q

The sun is an______________

A

star

24
Q

A ________________ is made out of a star and all the planets and other objects that revolve around that star

A

Solar System

25
Q

A _________ is a body that revolves around a star

A

planet

26
Q

The ______________ is a ring- shaped area where many small rocky bodies, or asteroids , are located

A

asteroid belt

27
Q

The ___________ is every thing that exists- all the stars ,all the planets, dust, gases, and energy

A

universe

28
Q

A _____________ us gas, dust, and a group of stars

A

galaxy

29
Q

A __________ is any body that orbits another

A

satellite

30
Q

planet closest to the sun

A

Mercury

31
Q

The order of the planets

A

Mercury, Venus, Earth, Mars , Jupiter , Saturn, Uranus, Neptune

32
Q

Which explain why the north pole is cold in winter?
A. Winters are long at the poles
B. The north pole is covered with ice
C. Earth’s orbit around the sun is elliptical
D. The sun rays are indirect at the north pole

A

D. the sun rays are indirect at the north pole

33
Q

Explain how Saturn and Jupiter differ from Pluto?

A

Saturn and Jupiter are different from Pluto because Saturn and Jupiter are big gassy planets,but Pluto is a tiny rock dwarf planet

34
Q

Under line the main idea say 3 details
Would you like to spend 3 months in the dark? Then visit the south pole! Seasons at the poles and at the equator are different from seasons elsewhere . Even with 3 months of constant daylight in summer, weather at the poles are never very warm. Near the equator , each day has 12 hours of daylight and 12 hours of darkness. The weather is warm all year.

A

Underline: Then visit the south pole!
Details: Seasons at the poles and the equator are different from seasons elsewhere. Even with 3 months of constant daylight in the summer, weather at the poles are never very warm. Near the equator, each day has 12 hours of daylight and 12 hours of darkness.

35
Q

Day and night happens because of ______________

A

earth’s rotation

36
Q

Earth is divided into ___ time zones

A

24

37
Q

Seasons change because of Earth’s orbit and ________

A

rotation

38
Q

Compare and Contrast
Earth and the moon rotate, each on it’s own axis. They rotate at different speeds. A complete rotation represents 1 day-night cycle. Earth’s cycle, which we know as 1 day, lasts 24 hours and is divided up between daylight and darkness. The moon rotates more slowly. If you spent a day and a night on the moon it would last 29 1/2 Earth days.

A

Compare: Earth and moon both rotate on it’s axis
Contrast: They rotate at different speeds.