Skip to content
LessonPrint

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

Next set

One paper per student

12345678910111213141516171819202122232425

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 shape was it in week 1?
  2. 2. What claim does this record support?
  3. 3. What was kept the same when the drawings were made?
  4. 4. What happened to the moon's shape over the four weeks?
2.After the full moon, what happens to the shape night by night?
  • A.It gets smaller again
  • B.It stays full
  • C.It gets bigger
3.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
4.Can the moon sometimes be seen in the daytime?
  • A.No, never
  • B.Yes, on some days it is in the sky with the sun
  • C.Only in winter
5.The moon is a thin curve and getting bigger each night. What shape comes next?
  • A.A square
  • B.Half a circle
  • C.A thin curve again
6.Does the moon's shape change in a pattern?
  • A.Yes, the same shapes come back about every four weeks
  • B.No, it changes at random
  • C.No, it is always round
7.What do we call the moon when it is a full round circle?
  • A.A new moon
  • B.A full moon
  • C.A half moon

LessonPrint · 1-ESS1-1 · Set 2 · free to copy for classroom use

Answer key — Moon Shapes for Four Weeks

Set 2. Prints on its own sheet.

  1. 1.1. A thin curve, like a fingernail. 2. The moon's shape changes in a pattern that can be predicted. 3. They were drawn at the same time each week. 4. It grew from a thin curve to a full circle and then began to shrink.
  2. 2.It gets smaller again
  3. 3.A full round circle
  4. 4.Yes, on some days it is in the sky with the sun
  5. 5.Half a circle
  6. 6.Yes, the same shapes come back about every four weeks
  7. 7.A full moon

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