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Science lesson plan · 1st grade (Year 2 in England) · 30 minutes

The Moon's changing shape follows a pattern

Space

CCSS NGSS.1-ESS1-1England: KS2 Y5 Earth and space

Objective and success criteria

Students will: The Moon's changing shape follows a pattern.

  • I can answer questions on today's skill on my own, without help.
  • I can explain each step and say why it works.
  • I can check my answer and spot a mistake.

Before and after

Needs first: The Sun, Moon and stars

Leads to: the next skill in this area.

Materials: Torch and ball for a Sun-Earth-Moon model, Space images, Mini whiteboards, A diagram or short video clip of the idea, Printed student sheet (below).

Warm-up · 4 min

  • Quick retrieval from earlier learning (The Sun, Moon and stars). Students answer on mini whiteboards.
  • Show answers together and note who needs support in the main task.
  1. Why does the Sun look bigger and brighter than other stars? (Other stars are not real / It is much closer to us / It is the biggest star in the universe / It is a different kind of light) → It is much closer to usPrompt: Things far away look smaller and dimmer.
  2. Sun, Moon and stars: which statement is true? (The Moon makes its own light. / The Sun appears to move across the sky during the day. / You can only see the Moon at night. / The Sun goes round the Earth.) → The Sun appears to move across the sky during the day.Prompt: Which objects make their own light?
  3. Sun, Moon and stars: which statement is NOT true? (The Sun is a star. / Stars are still in the sky during the day. / You can only see the Moon at night. / The Moon reflects light from the Sun.) → You can only see the Moon at night.Prompt: Does the Sun really move round us?

Hook · 3 min

  • Ask why we see the Moon change shape over a month.
  • Share the objective: The Moon's changing shape follows a pattern. Read the success criteria together.

I do: model it · 7 min

  • Work through the example out loud, saying why you do each step, not just what you do.
  • Example: Why does the Moon shine?
  • Step 1: The Moon reflects light from the Sun.
  • Step 2: So the answer is: Sunlight bounces off it.
  • Answer: Sunlight bounces off it.
  • Pause after each step and ask a student to say what comes next.

We do: guided practice · 6 min

  • Do these together. Students try each step on whiteboards before you reveal it.
  • Use the hints as prompts rather than giving the answer.
  1. Why does the Moon shine? (Sunlight bounces off it. / It is a star. / It is on fire. / It has lamps on it.) → Sunlight bounces off it.Prompt: Is the Moon a light source?
  2. True or false? The Moon really changes shape every night. (True / False) → FalsePrompt: Is the Moon a light source? How long is its pattern?

You do: independent practice · 7 min

  • Students work on the student sheet. Circulate and check the first two answers of every student early.
  • Students who finish: write a question of their own for a partner, with the answer.

The 6 questions are on the student sheet below, with answers in the key.

Exit ticket · 3 min

  • Two questions on their own. Sort answers into got it / nearly / not yet to plan the next lesson.
  1. About how long does it take the Moon to go from full moon to the next full moon? (about a month / one year / one day / one week) → about a monthPrompt: The word "month" comes from "moon".
  2. True or false? The Moon's shape seems to change in a pattern that repeats. (True / False) → TruePrompt: Is the Moon a light source? How long is its pattern?

Watch out for

  • Everyday meanings of words getting in the way of the science meaning: define key words explicitly.
  • Remembering facts without the reason: ask "why?" and "what is the evidence?"

Support and stretch

Support

  • Review first: The Sun, Moon and stars.
  • Use concrete materials: torch and ball for a sun-earth-moon model.
  • Give the first step of each question, or a partly worked example to finish.
  • Pair with a confident partner for the guided practice.

Stretch

  • Explain a common mistake in writing and how to fix it.
  • Write a word problem that uses today's skill, then solve a partner's.

Homework and more practice

Free online practice with hints and printable worksheets for this skill: eurekami.com/science/grade-1.

Free lesson plan from eurekami.com/lesson-plan-builder

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The Moon's changing shape follows a pattern

Name

Date

Score/ 6

  1. Question 1

    True or false? A full moon happens every night.

    • A. True
    • B. False

  2. Question 2

    Why does the Moon shine?

    • A. Sunlight bounces off it.
    • B. It is on fire.
    • C. It is a star.
    • D. It has lamps on it.

  3. Question 3

    True or false? The Moon really changes shape every night.

    • A. True
    • B. False

  4. Question 4

    True or false? The Moon travels around the Earth.

    • A. True
    • B. False

  5. Question 5

    About how long does it take the Moon to go from full moon to the next full moon?

    • A. one day
    • B. one week
    • C. about a month
    • D. one year

  6. Question 6

    Tonight the Moon is full. In about two weeks, what will you see?

    • A. a square moon
    • B. two moons
    • C. another full moon
    • D. a new moon, which is hard to see

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Answer key: The Moon's changing shape follows a pattern

  1. 1. B. False

  2. 2. A. Sunlight bounces off it.

  3. 3. B. False

  4. 4. A. True

  5. 5. C. about a month

  6. 6. D. a new moon, which is hard to see