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Lesson · Grade 1 · Science

Why the Sun seems to move: sunrise and sunset

  • Grade 1
  • Science
  • 1 min 1 s
  • British Columbia
  • BC1-SC-14

A house under the sky watches the Sun come up at sunrise, move across the sky and go down at sunset, and then night falls. The picture then pulls back to a turning Earth beside the Sun, showing that the side facing the Sun has day and that our home turns into the light at sunrise and away from it at sunset, once each day.

Concept: Day and night: sunrise and sunset

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In one sentence

The question this lesson answers

Why does the Sun move across the sky?

In the morning, the Sun comes up at sunrise.

Transcript

What the lesson says

Why does the Sun move across the sky?

In the morning, the Sun comes up at sunrise.

Then it seems to move across the sky.

In the evening, the Sun goes down at sunset.

Then the sky gets dark, and it is night.

Here is the secret: our Earth turns!

The side facing the Sun has day.

The side facing away from the Sun has night.

Our home turns toward the Sun at sunrise.

Our home turns away from the Sun at sunset.

Earth turns all the way around once a day.

The Sun seems to move because Earth turns.

Curriculum

Where this fits

British Columbia, Grade 1

Science, Earth science: common objects in the skyBC1-SC-14

Next: The Moon and Stars at Night

The outcomes and strands follow the British Columbia curriculum.

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