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Moon Shapes for Four Weeks is a free printable Grade 1 science worksheet on describing and predicting the moon's changing shape from a class diary, aligned to NGSS performance expectation 1-ESS1-1. It prints 7 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 11 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Moon Shapes for Four Weeks

1-ESS1-1

NameDate

Read the record, then answer the questions.

1.Read the record, then answer the questions.

Moon Shapes for Four Weeks

Drawings the class made of the moon, one each week for four weeks. THE MOON WE DREW Week 1: a thin curve, like a fingernail Week 2: half a circle Week 3: a full round circle Week 4: half a circle again, the other side We drew it at the same time each week.

  1. 1. What does this record not tell you?
  2. 2. What shape was it in week 1?
  3. 3. What shape was the moon in week 3?
  4. 4. What shape would you expect in week 5?
2.What do we call the moon when it is a full round circle?
  • A.A new moon
  • B.A half moon
  • C.A full moon
3.Can the moon sometimes be seen in the daytime?
  • A.Only in winter
  • B.Yes, on some days it is in the sky with the sun
  • C.No, never
4.On some clear nights the moon cannot be seen at all. When in the pattern does that happen?
  • A.At the full moon
  • B.Just before the thin curve appears again
  • C.At the half moon
5.The moon is half a circle and growing. What comes after that?
  • A.No moon at all
  • B.A thin curve
  • C.A full round circle
6.After the full moon, what happens to the shape night by night?
  • A.It gets bigger
  • B.It stays full
  • C.It gets smaller again
7.The moon is a thin curve and getting bigger each night. What shape comes next?
  • A.A thin curve again
  • B.A square
  • C.Half a circle

LessonPrint · 1-ESS1-1 · Set 11 · free to copy for classroom use

Answer key — Moon Shapes for Four Weeks

Set 11. Prints on its own sheet.

  1. 1.1. It does not tell you what the moon looked like between the weeks. 2. A thin curve, like a fingernail. 3. A full round circle. 4. A thin curve again, because the shape is shrinking after the full circle.
  2. 2.A full moon
  3. 3.Yes, on some days it is in the sky with the sun
  4. 4.Just before the thin curve appears again
  5. 5.A full round circle
  6. 6.It gets smaller again
  7. 7.Half a circle

Last reviewed 2026-09-05. Aligned to 1-ESS1-1 of the Next Generation Science Standards.