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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 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.

Melt, Freeze, Boil, Cool

2-PS1-4

NameDate

Circle the best answer.

1.Candle wax drips onto a cold plate. What happens to the drip?
  • A.It cools and goes hard
  • B.It stays runny
  • C.It catches fire
2.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
3.An ice pop is left on a sunny table. What happens to it?
  • A.It turns into toast
  • B.It freezes harder
  • C.It melts into a sticky liquid
4.A tray of water is left in the freezer overnight. What will you find in the morning?
  • A.Warm water
  • B.An empty tray
  • C.Solid ice
5.Water is boiled in a pan with a lid on. What do you see on the inside of the lid?
  • A.Drops of water
  • B.Salt
  • C.Dry dust
6.The melted lolly is put back in the freezer. What happens?
  • A.It stays runny for ever
  • B.It turns into steam
  • C.It freezes solid again
7.An egg is boiled for ten minutes and then cooled. Will it go runny again?
  • A.Yes, as soon as it cools
  • B.Yes, if you shake it
  • C.No, cooking it is a change that cannot be undone
8.A cold can is taken out of the fridge on a warm day. What appears on the outside?
  • A.Nothing at all
  • B.Ice cubes
  • C.Tiny drops of water

LessonPrint · 2-PS1-4 · Set 13 · free to copy for classroom use

Answer key — Melt, Freeze, Boil, Cool

Set 13. Prints on its own sheet.

  1. 1.It cools and goes hard
  2. 2.It melts into water
  3. 3.It melts into a sticky liquid
  4. 4.Solid ice
  5. 5.Drops of water
  6. 6.It freezes solid again
  7. 7.No, cooking it is a change that cannot be undone
  8. 8.Tiny drops of water

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