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Why do the constellations change each season? - ARCHIVED

Why do the constellations change each season? - ARCHIVED
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Discuss: After summer, Scorpius disappears from the night sky. How long before we see it again?

Reveal answer

Discuss: How far would the Earth move in its orbit, after half a year?

Reveal answer

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Discuss: When it's summer and Lego Man Joe is looking off in this direction, it seems like he should be able to see Orion. Why wouldn't he see it?

Reveal answer

ScorpiusSummer

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Discuss: How many spins does the Earth do in 1 orbit?

Reveal answer

Discuss: How many trips around the Sun have you personally completed?

Reveal answer

Discuss: Which holiday do you get off school to celebrate the Earth’s orbit?

Reveal answer

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# Extensions
Below are ideas for extending this topic beyond the activity & Exploration which you just completed.

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Activity Prep

Print Prep
Students will be introduced to the Earth’s orbital movement around the Sun, as a means of seeing why the constellations change.
Preview activity

Each student will need:

  • 1 printed activity sheet (printable PDF, two pages long); Answer Key for teachers
  • 1 brad (paper fastener)
  • 1 small ~2" × 2" piece of white paper
  • 1 blue marker or crayon (brown & green optional)
  • Tape
  • Scissors
  • Glue stick

Exploration

20 mins

Hands-On Activity

25 mins

Extend this lesson

 
Astronomy Lesson 16: Why do the constellations change each season? - ARCHIVED

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