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      Why the Sun appears to move across the sky

      Lesson details

      Learning outcome

      I can explain why the Sun appears to move across the sky.

      Key learning points

      1. It is dangerous to look directly at the Sun
      2. From Earth, the Sun looks like it moves across the sky in the daytime
      3. From Earth, the Sun looks like it disappears at night
      4. The Sun does not actually move around Earth, rather it is Earth that rotates on its axis
      5. We can observe shadows changing throughout the day because Earth is rotating

      Keywords

      • Sun - The Sun is a star and the centre of our solar system.

      • Earth - Earth is the planet on which we live.

      • Rotating - Earth is always rotating, this means it is spinning on its axis.

      • Shadow - A shadow is formed when an opaque object blocks the light.

      • Observe - When we observe, we look closely and can use other senses too.

      Common misconception

      Children may believe that the Sun appears to move across the sky because the Sun moves around Earth

      Provide plenty of opportunities for children to use models to see that it is Earth rotating that makes it look like the Sun is moving.

      Teacher tip

      It is important to choose a sunny day for children to safely observe the position of the Sun at different times of the day. It would be difficult for them to make observations when it is particularly cloudy.

      Equipment

      Solar viewers or glasses, torch (narrow beam), polystyrene ball, pencil, short stick (used match).

      Content guidance

      Risk assessment required - equipment

      Risk assessment required - equipment

      Exploration of objects

      Supervision

      Adult supervision required

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Earth spins, or on its axis once every 24 hours.

      Correct Answer: rotates, rotate, turns

      Q2.
      Which word do scientists use to describe the skill of looking at something very closely?

      test
      measure
      Correct answer: observe
      classify

      Q3.
      When light shines on an object outside during the day, a shadow can form. Where does the light come from?

      A torch
      Correct answer: The Sun
      The Moon

      Q4.
      A person makes a shadow when they block light from the Sun because they are...

      tall
      heavy
      smooth
      Correct answer: opaque
      transparent

      Q5.
      Which statement about shadows is true?

      Correct answer: Shadows can be made indoors and outdoors.
      Shadows can only be made outdoors.
      Shadows can only be made indoors.

      Q6.
      Which unit would you use for measuring the length of a very short shadow?

      Correct answer: millimetres
      millilitres
      minutes
      miles

      6 Questions

      Q1.
      Which of the following must be used to look at the Sun safely?

      magnifying glasses
      sunglasses
      Correct answer: solar viewing glasses

      Q2.
      Which statement is correct for why the Sun appears to move across the sky during the day?

      The Sun moves around Earth.
      The Sun rotates on its axis.
      Correct answer: Earth rotates on its axis.

      Q3.
      Match the time of day with where the Sun appears in the sky.

      Correct Answer:morning or evening,low in the sky
      Correct Answer:midday,above us
      Correct Answer:night,the Sun can not be seen

      Q4.
      From Earth, it looks like the Sun disappears every night. Which statement below is correct?

      The Sun looks like it disappears because it only gives out light during the day.
      The Sun looks like it disappears because it is covered by clouds at night.
      Correct answer: The Sun looks like it disappears as where we are on Earth we spin away from it.
      The Sun looks like it disappears as where we are on Earth we spin towards it.

      Q5.
      Which movement in space causes the shadows on Earth to change during a day?

      The Sun rotating
      Correct answer: Earth rotating
      The Sun orbiting
      Earth orbiting

      Q6.
      Match each time of day to the correct length of shadow.

      Correct Answer:11 am,110 cm
      Correct Answer:12 noon,70 cm
      Correct Answer:5 pm,280 cm

      To help you plan your 5 science lesson on: Why the Sun appears to move across the sky, download all teaching resources for free and adapt to suit your pupils' needs...