Day Sky, Night Sky is a free printable Grade 1 science worksheet on the predictable pattern of what can be seen in the sky by day and by night, aligned to NGSS performance expectation 1-ESS1-1. It prints 3 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 19 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.
Day Sky, Night Sky
1-ESS1-1
NameDate
Sort each one into the right group.
1.Sort each one: Seen in the day sky or Seen in the night sky or Can be seen in both?
Sort: The sun, The stars, Clouds
Seen in the day skySeen in the night skyCan be seen in both
2.Sort each one: Seen in the day sky or Seen in the night sky or Can be seen in both?
Sort: The moon, A rainbow after a shower, A dark sky
Seen in the day skySeen in the night skyCan be seen in both
3.Sort each one: Seen in the day sky or Seen in the night sky or Can be seen in both?
Sort: The sun low in the east, rising, A pattern of stars like a saucepan, An airplane
Seen in the day skySeen in the night skyCan be seen in both
LessonPrint · 1-ESS1-1 · Set 19 · free to copy for classroom use
Answer key — Day Sky, Night Sky
Set 19. Prints on its own sheet.
1.1. Clouds — Can be seen in both 2. The stars — Seen in the night sky 3. The sun — Seen in the day sky
2.1. A dark sky — Seen in the night sky 2. A rainbow after a shower — Seen in the day sky 3. The moon — Can be seen in both
3.1. A pattern of stars like a saucepan — Seen in the night sky 2. An airplane — Can be seen in both 3. The sun low in the east, rising — Seen in the day sky
Last reviewed 2026-09-05. Aligned to 1-ESS1-1 of the Next Generation Science Standards.