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Why do the stars come out at night?
Moon & Stars Unit | Lesson 2 of 3

Why do the stars come out at night?

Moon & Stars Unit | Lesson 2 of 3
Lesson narration:
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Stars in the country vs city

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Why`do`you`think
stars`come`out`at
night?`Why`can’t
you`see`them`during
the`day?

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Search for Big Dipper

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Big Dipper revealed

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day


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the time when the Sun is in the sky
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night


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the time when the Sun is not in the sky
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Moon


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a large, round object that you can usually see in the night sky
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star


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a bright light that can be seen in the night sky
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astronomy


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the study of outer space
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constellation


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a group of stars that form a pattern
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observe


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to pay close attention to something
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telescope


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a tool used to make very distant objects look closer, often used to look at outer space
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model


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a pretend version of something that scientists use when the real thing is too big, small, or complicated to work with
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sunrise


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when the Sun appears in the morning
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sunset


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when the Sun disappears in the evening
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Lesson narration:

Grade 1

Night Patterns

Stars & Daily Patterns

1-ESS1-1

Activity Prep

Print Prep
In this lesson, students use a model to investigate why the stars are visible at night but disappear when the Sun comes out during the day. In the activity, Star Projector, students use paper cups to project stars onto a sky picture, and observe what happens to these stars when a flashlight acts as a model of the Sun.
Preview activity

Exploration

11 mins

Wrap-Up

4 mins

Grade 1

Night Patterns

Stars & Daily Patterns

1-ESS1-1

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