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Melt, Freeze, Boil, Cool is a free printable Grade 2 science worksheet on predicting what heating or cooling will do to a material, aligned to NGSS performance expectation 2-PS1-4. It prints 8 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 16 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.

Melt, Freeze, Boil, Cool

2-PS1-4

NameDate

Circle the best answer.

1.A cold can is taken out of the fridge on a warm day. What appears on the outside?
  • A.Nothing at all
  • B.Tiny drops of water
  • C.Ice cubes
2.A puddle sits in the hot sun all afternoon. What happens to it?
  • A.It gets deeper
  • B.It dries up as the water goes into the air
  • C.It freezes
3.An ice pop is left on a sunny table. What happens to it?
  • A.It turns into toast
  • B.It melts into a sticky liquid
  • C.It freezes harder
4.The melted lolly is put back in the freezer. What happens?
  • A.It turns into steam
  • B.It freezes solid again
  • C.It stays runny for ever
5.Water is boiled in a pan with a lid on. What do you see on the inside of the lid?
  • A.Dry dust
  • B.Salt
  • C.Drops of water
6.Candle wax drips onto a cold plate. What happens to the drip?
  • A.It catches fire
  • B.It cools and goes hard
  • C.It stays runny
7.A snowman is left in the spring sunshine. What happens to it?
  • A.It melts into water
  • B.It turns into ice cream
  • C.It grows bigger
8.A tray of water is left in the freezer overnight. What will you find in the morning?
  • A.Solid ice
  • B.Warm water
  • C.An empty tray

LessonPrint · 2-PS1-4 · Set 16 · free to copy for classroom use

Answer key — Melt, Freeze, Boil, Cool

Set 16. Prints on its own sheet.

  1. 1.Tiny drops of water
  2. 2.It dries up as the water goes into the air
  3. 3.It melts into a sticky liquid
  4. 4.It freezes solid again
  5. 5.Drops of water
  6. 6.It cools and goes hard
  7. 7.It melts into water
  8. 8.Solid ice

Last reviewed 2026-09-05. Aligned to 2-PS1-4 of the Next Generation Science Standards.