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CRCT reveiw


One Year 1 revolution of the Earth around the Sun is 365 days
One Day 1 rotation of the Earth on its axis (it takes 23 hours 56 minutes). This is rounded to 24 hours.
Equionxes During the spring and fall around March 21 and September 21 (when the Sun is directly over at the equator), there is an equal amount of daylight and darkness.
Solstices Which occur around June 21 and December 21, are the longest and shortest days of the year
Earth Objects appear to have moved in the sky at night because this is rotating on its axis and revolving around the Sun.
Solar Eclipse For this to occur (happens during the day with the Sun being darkened), the Moon has to be positioned between the Sun and the Earth
Lunar Eclipse For this to occur the Earth has to be positioned between the Sun and the Moon (the Moon will be darkened).
Shadows/Eclipses -----from the Earth and the Moon cause-----
Inner planets Mars, the last of the inner planets, has a rust colored surface, polar ice caps, large volcanoes, and channels that allowed water to flow on its surface at one time. Remember also, the (Mercury, Venus,Earth, and Mars are mostly solid).
Part 2 of Inner planets They are denser than the outer planets. The outer planets (Jupiter, Saturn, Uranus, and Neptune) are mostly gasses. Pluto, the dwarf planet, is mostly frozen and rocky.
Pluto is not a classified as a real planet Because of the characteristics per the scientists
28 days It takes approximately this many days for the Moon to revolve around the Earth. During this time the Moon will go through all of the phases.
Big Bang Theory/Universe/Created This theory is of how the ---was --- states that the Universe began as a point of energy and matter that exploded which allowed everything in the Universe to form
Seasons Winter,Spring,Summer, and Fall
Tilt of the Earth's axis It is tilted at 23 1/2 degrees. If the axis were completely vertical with no tilt (90 degrees), all of the seasons would be the same
Created by: kenjr
Popular Earth Science sets




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