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 15 of 25 · the same problems every time you open this link.
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. What shape would you expect in week 5?
2. What was kept the same when the drawings were made?
3. What shape was the moon in week 3?
4. What does this record not tell you?
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.What do we call the moon when it is a full round circle?
A.A half moon
B.A full moon
C.A new moon
4.You know today's moon shape. What can you do with the pattern?
A.Predict tomorrow's weather
B.Predict the shape you will see next week
C.Make the moon full sooner
5.After the full moon, what happens to the shape night by night?
A.It stays full
B.It gets smaller again
C.It gets bigger
6.On some clear nights the moon cannot be seen at all. When in the pattern does that happen?
A.At the half moon
B.At the full moon
C.Just before the thin curve appears 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 15 · free to copy for classroom use
Answer key — Moon Shapes for Four Weeks
Set 15. Prints on its own sheet.
1.1. A thin curve again, because the shape is shrinking after the full circle. 2. They were drawn at the same time each week. 3. A full round circle. 4. It does not tell you what the moon looked like between the weeks.
2.Yes, on some days it is in the sky with the sun
3.A full moon
4.Predict the shape you will see next week
5.It gets smaller again
6.Just before the thin curve appears again
7.Half a circle
Last reviewed 2026-09-05. Aligned to 1-ESS1-1 of the Next Generation Science Standards.