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 25 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 does this record not tell you?
2. What shape was the moon in week 3?
3. What claim does this record support?
4. What shape was it in week 1?
2.Can the moon sometimes be seen in the daytime?
A.Yes, on some days it is in the sky with the sun
B.No, never
C.Only in winter
3.Does the moon's shape change in a pattern?
A.Yes, the same shapes come back about every four weeks
B.No, it is always round
C.No, it changes at random
4.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
5.On some clear nights the moon cannot be seen at all. When in the pattern does that happen?
A.At the half moon
B.Just before the thin curve appears again
C.At the full moon
6.The moon was a full circle last night. About how long until it is full again?
A.One night
B.One year
C.About four weeks
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 25 · free to copy for classroom use
Answer key — Moon Shapes for Four Weeks
Set 25. Prints on its own sheet.
1.1. It does not tell you what the moon looked like between the weeks. 2. A full round circle. 3. The moon's shape changes in a pattern that can be predicted. 4. A thin curve, like a fingernail.
2.Yes, on some days it is in the sky with the sun
3.Yes, the same shapes come back about every four weeks
4.It gets smaller again
5.Just before the thin curve appears again
6.About four weeks
7.A full moon
Last reviewed 2026-09-05. Aligned to 1-ESS1-1 of the Next Generation Science Standards.