Fur, Feathers or Scales? is a free printable Grade 1 science worksheet on sorting animals by the outside covering that protects them, aligned to NGSS performance expectation 1-LS1-1. 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 4 of 25 · the same problems every time you open this link.

One paper per student

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Fur, Feathers or Scales?

1-LS1-1

NameDate

Sort each animal into the right group.

1.Sort each one: Covered in fur or Covered in feathers or Covered in scales?

Sort: A robin, A trout, A rabbit

Covered in furCovered in feathersCovered in scales

2.Sort each one: Covered in fur or Covered in feathers or Covered in scales?

Sort: An ostrich, A polar bear, A snake

Covered in furCovered in feathersCovered in scales

3.Sort each one: Covered in fur or Covered in feathers or Covered in scales?

Sort: A bat, A crocodile, A duck

Covered in furCovered in feathersCovered in scales

LessonPrint · 1-LS1-1 · Set 4 · free to copy for classroom use

Answer key — Fur, Feathers or Scales?

Set 4. Prints on its own sheet.

1.1. A rabbit — Covered in fur 2. A robin — Covered in feathers 3. A trout — Covered in scales
2.1. A polar bear — Covered in fur 2. A snake — Covered in scales 3. An ostrich — Covered in feathers
3.1. A bat — Covered in fur 2. A crocodile — Covered in scales 3. A duck — Covered in feathers

Last reviewed 2026-09-05. Aligned to 1-LS1-1 of the Next Generation Science Standards.