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G5 Ch5 L2 Earth and the Moon

  •  English    10     Public
    Week 21 McGraw-Hill Science for ESL students.
  •   Study   Slideshow
  • Is there wind or weather on the Moon? Why or why not?
    No, because it doesn't have an atmosphere.
  •  10
  • Name three Moon phases.
    Full, new, waxing/waning crescent/gibbous, first/last quarter.
  •  15
  • How does the Moon change during the waxing and waning phases?
    Waxing=growing, waning=shrinking.
  •  15
  • What are the positions of the Earth, the Sun, and the Moon during a solar eclipse?
    The Moon is between the Earth and the Sun.
  •  20
  • What are the positions of the Earth, the Sun, and the Moon during a lunar eclipse?
    The Earth is between the Sun and the Moon.
  •  20
  • What are the umbra and penumbra?
    Umbra = place where light is totally blocked; penumbra = place where light is partially blocked.
  •  25
  • What are spring tides and when do they occur?
    About twice a month, near the new- and full-moon phases, the Sun and the Moon line up and pull in the same direction, causing higher+lower tides.
  •  25
  • What are neap tides and when do they occur?
    During the first-quarter and last-quarter moon phases, the Sun and the Moon pull in different directions and their pulls partly cancel each other.
  •  25
  • In which bodies of water can you observe tides? In which ones can't you?
    Oceans VS seas, rivers, lakes, puddles, pools, etc.
  •  20
  • How many tides do oceans usually have per day?
    Two highs, two lows.
  •  10