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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 3 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: Dish soap, An ice cube, A bar of soap, Cooking oil

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 pebble, Shampoo, A crayon, Milk

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: Runny honey, A pencil, A coin, Vinegar

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

LessonPrint · 2-PS1-1 · Set 3 · free to copy for classroom use

Answer key — Solid or Liquid?

Set 3. Prints on its own sheet.

  1. 1.1. A bar of soap — 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. Dish soap — Liquid: takes the shape of its container
  2. 2.1. A crayon — Solid: keeps its own shape 2. A pebble — Solid: keeps its own shape 3. Milk — Liquid: takes the shape of its container 4. Shampoo — Liquid: takes the shape of its container
  3. 3.1. A coin — Solid: keeps its own shape 2. A pencil — Solid: keeps its own shape 3. Runny honey — Liquid: takes the shape of its container 4. Vinegar — Liquid: takes the shape of its container

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