The following sites are great to see the features and phases
of the moon. They are meant to encourage the students interest and
understanding of our study of the moon.
http://www.solarviews.com/eng/tercrate.htm
http://www.lunaroutpost.com/gallery/moon/index.htm
http://nssdc.gsfc.nasa.gov/imgcat/thumbnail_pages/moon_thumbnails.html
http://tycho.usno.navy.mil/vphase.html
http://tycho.usno.navy.mil/vphase.html
http://www.tutiempo.net/en/moon/phases_3_2006.htm
Science Chapter 8 Study Guide
-An object that revolves around another object will
move.
- Earth is one of the nine planets that circle the sun.
-A sphere is round, like a ball.
-Craters are found on the surface of the moon.
-A telescope makes things far away appear closer.
- Earth spins on a slightly tilted axis.
- Earth's orbit takes us around the sun.
- Our sun is a star.
-Our sun is part of our solar system.
-Earth is a planet that the moon revolves around.
-Earth completes one full rotation every 24 hours.
- The seasons change because Earth tilts on its axis.
- The moon goes through different phases about once every 29
days.
-Jupiter orbits the sun.
-If it exactly noon on one side of the Earth, it is midnight on
the opposite side.
- We receive heat and light from the sun.
-When the North Pole slants away from the sun, it is winter in
the northern part of Earth.
-The sun is high overhead during the summer.
-As Earth rotates overhead, we see the sun rise in the east.
-The sun's rays are strong at the equator and weaker at the
poles.
-If you were on Venus, the Earth would appear to wander like the
other planets in the night sky.
- If Mars circled the sun in the same orbit as the Earth, a Mars
year would be the same as it is on Earth.
-If there was an extra tilt in the Earth, summers would be hotter
and winters colder.
- If you stood on the Moon, you would see the sun rise and set,
but a day on the moon would last longer than a day on Earth.
-When the Space Shuttle reenters the atmosphere, it rubs against
the air and creates large amounts of friction. A "heat shield" helps
protect the Space Shuttle. Without the heat shield, the Space Shuttle
would burn up when it reentered the atmosphere, just at meteors burn
up before they can hit the Earth and make craters.
-You can explore space without leaving the Earth by using a
telescope. A telescope allows us to see the stars and planets. It is
possible to hear signals from space using special equipment. Also
space probes allow us to see stars and planets without leaving the
earth.
-As Earth orbits the sun, there are two days when the sun is
directly overhead without any slant. These equal days and equal
nights are the spring equinox and the autumn equinox.
Science Chapter 8 vocabulary
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sphere
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rotate
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axis
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revolve
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orbit
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satellite
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phase
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crater
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solar system
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planet
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star
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telescope
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lens
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