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Chapter 10, Lesson 1

Rotates (spins) on its axis (imaginary line through both poles), and it takes 24 hours
Revolves (follows a path) around the sun.
Orbit The path of one object around another object in space.
Energy The Earth is tilted as it revolves around the sun. The part of Earth that is tilted toward the sun takes in more _________________ (summer) than the part tilted away (winter).
March 21 Spring Equinox (equal day and night hours)
June 21 Summer Solstice (longest daylight hours)
September 21 Autumn Equinox (equal day and night hours)
December 21 Winter Solstice (shortest daylight hours)
Telescopes make distant objects look larger.
Refracting a telescope that uses curved piece of glass, lens, to bend light
Reflecting a telescope that uses mirrors to reflect light. EX: Hubble telescope
Moon orbits Earth, has no atmosphere, has a rocky, dusty surface
Moon has no liquid water, very little ice, mountains, valleys, craters, etc.
Moon Phases as the moon revolves around Earth, different amounts of the surface are seen, causing these.
Reflected Light the light seen on the moon is actually this from the Sun.
29.5 Moon Phases follow a pattern every ______________ days
Full Moon all of the lit side is seen from Earth
New Moon none of the lit side is seen from Earth
Waxes during the first half of the moon's cycle, the amount of the side of the moon seen from Earth increases or does this.
Wanes during the second half of the moon's cycle, the amount of the lit side of the moon seen from Earth decrease or does this.
Calendars are based on the movement of the Earth.
365 days a solar year is this many days, 5 hr., 48 min. and 45.5 sec. long (time it takes Earth to revolve around the sun).
Leap Year every 4 years a day is added on Feb. 29 and this is what we call it.
Moon Movements ancient people based months on this (29.5 day cycle)
Created by: morrismrb
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