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Our View of the Moon. Science: Grade 4 and 5. Vocabulary. Phases  are different shapes of the moon that we see from Earth Reflect when light bounces off an object’s surface Waxing when the lit part of the moon that we see gets bigger.

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Our view of the moon

Our View of the Moon

Science: Grade 4 and 5


Vocabulary
Vocabulary

  • Phases are different shapes of the moon that we see from Earth

  • Reflect when light bounces off an object’s surface

  • Waxing when the lit part of the moon that we see gets bigger.

  • Waning when the lit part of the moon that we see gets smaller


Moon phases
Moon Phases

  • Does the moon’s shape really change?

    • No, the moon goes through phases.

    • It is a round ball, but the shape of how we see the moon depends on the way the moon is positioned from Earth.


Moon phases1
Moon Phases

  • The moon REFLECTS light from the sun

  • The sun shines on one –half of the moon

    • The side of the moon we see is part of the half-lit moon.


Four main phases of the moon
Four Main Phases of the Moon

  • New moon when the bright side of the moon faces away from Earth. We see the dark side

  • Full moon opposite of the new moon; the moon is its largest and brightest.


Crescent and gibbous phases
Crescent and Gibbous phases

  • Crescent phase we see a sliver of the bright side of the moon

  • Gibbous phase we see about ¾ of the bright side


Four main phases of the moon1
Four Main Phases of the Moon

  • First quarter half the lit-side can be seen; moon looks like a half-circle

  • Last quarter we see the opposite half of the moon’s lit side.



Why do we see phases1
Why do we see phases?

  • The moon moves in an orbit around Earth.

  • Look at the diagram. Determine a rule that helps you understand the phases of the moon.


Order of moon phases
Order of Moon Phases

  • New moon to full moon the lit part gets larger; this is called WAXING

  • Full moon to new moon the lit part of the moon gets smaller; this is called WANING

  • The time from one full moon to the next is about one month; the moon takes about one month to complete its orbit


Discussion question
Discussion Question

  • During which phase of the moon would it be easier to see stars in the night sky? Explain your answer.


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