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Solid or Liquid? is a free printable Grade 2 science worksheet on classifying materials as solid or liquid by whether they keep their shape, aligned to NGSS performance expectation 2-PS1-1. 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 13 of 25 · the same problems every time you open this link.

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

Solid or Liquid?

2-PS1-1

NameDate

Sort each one into solid or liquid.

1.Sort each one: Solid: keeps its own shape or Liquid: takes the shape of its container?

Sort: Cooking oil, Milk, An ice cube, A pebble

Solid: keeps its own shapeLiquid: takes the shape of its container
2.Sort each one: Solid: keeps its own shape or Liquid: takes the shape of its container?

Sort: A bar of soap, A coin, Vinegar, Orange juice

Solid: keeps its own shapeLiquid: takes the shape of its container
3.Sort each one: Solid: keeps its own shape or Liquid: takes the shape of its container?

Sort: A metal spoon, Shampoo, Dish soap, A wooden block

Solid: keeps its own shapeLiquid: takes the shape of its container

LessonPrint · 2-PS1-1 · Set 13 · free to copy for classroom use

Answer key — Solid or Liquid?

Set 13. Prints on its own sheet.

  1. 1.1. A pebble — Solid: keeps its own shape 2. An ice cube — Solid: keeps its own shape 3. Cooking oil — Liquid: takes the shape of its container 4. Milk — Liquid: takes the shape of its container
  2. 2.1. A bar of soap — Solid: keeps its own shape 2. A coin — Solid: keeps its own shape 3. Orange juice — Liquid: takes the shape of its container 4. Vinegar — Liquid: takes the shape of its container
  3. 3.1. A metal spoon — Solid: keeps its own shape 2. A wooden block — Solid: keeps its own shape 3. Dish soap — Liquid: takes the shape of its container 4. Shampoo — Liquid: takes the shape of its container

Last reviewed 2026-09-05. Aligned to 2-PS1-1 of the Next Generation Science Standards.