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 21 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 snake, A mouse, An owl

Covered in furCovered in feathersCovered in scales

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

Sort: A rabbit, A robin, A lizard

Covered in furCovered in feathersCovered in scales

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

Sort: A crocodile, A polar bear, A penguin

Covered in furCovered in feathersCovered in scales

LessonPrint · 1-LS1-1 · Set 21 · free to copy for classroom use

Answer key — Fur, Feathers or Scales?

Set 21. Prints on its own sheet.

1.1. A mouse — Covered in fur 2. A snake — Covered in scales 3. An owl — Covered in feathers
2.1. A lizard — Covered in scales 2. A rabbit — Covered in fur 3. A robin — Covered in feathers
3.1. A crocodile — Covered in scales 2. A penguin — Covered in feathers 3. A polar bear — Covered in fur

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