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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 12 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 was kept the same when the drawings were made?
  2. 2. What claim does this record support?
  3. 3. What does this record not tell you?
  4. 4. What shape would you expect in week 5?
2.Can the moon sometimes be seen in the daytime?
  • A.Yes, on some days it is in the sky with the sun
  • B.Only in winter
  • C.No, never
3.After the full moon, what happens to the shape night by night?
  • A.It gets bigger
  • B.It gets smaller again
  • C.It stays full
4.Does the moon's shape change in a pattern?
  • A.No, it is always round
  • B.Yes, the same shapes come back about every four weeks
  • C.No, it changes at random
5.The moon is a thin curve and getting bigger each night. What shape comes next?
  • A.A thin curve again
  • B.Half a circle
  • C.A square
6.Why is a moon diary useful?
  • A.It shows how far away the moon is
  • B.It shows the pattern, so you can predict the next shape
  • C.It makes the moon change
7.The moon is half a circle and growing. What comes after that?
  • A.No moon at all
  • B.A full round circle
  • C.A thin curve

LessonPrint · 1-ESS1-1 · Set 12 · free to copy for classroom use

Answer key — Moon Shapes for Four Weeks

Set 12. Prints on its own sheet.

  1. 1.1. They were drawn at the same time each week. 2. The moon's shape changes in a pattern that can be predicted. 3. It does not tell you what the moon looked like between the weeks. 4. A thin curve again, because the shape is shrinking after the full circle.
  2. 2.Yes, on some days it is in the sky with the sun
  3. 3.It gets smaller again
  4. 4.Yes, the same shapes come back about every four weeks
  5. 5.Half a circle
  6. 6.It shows the pattern, so you can predict the next shape
  7. 7.A full round circle

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