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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 10 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.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
2.A tray of water is left in the freezer overnight. What will you find in the morning?
  • A.An empty tray
  • B.Solid ice
  • C.Warm water
3.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
4.A snowman is left in the spring sunshine. What happens to it?
  • A.It grows bigger
  • B.It melts into water
  • C.It turns into ice cream
5.An egg is boiled for ten minutes and then cooled. Will it go runny again?
  • A.No, cooking it is a change that cannot be undone
  • B.Yes, if you shake it
  • C.Yes, as soon as it cools
6.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
7.Bread is toasted, then left to cool. What happens?
  • A.It stays toast
  • B.It melts
  • C.It turns back into bread
8.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

LessonPrint · 2-PS1-4 · Set 10 · free to copy for classroom use

Answer key — Melt, Freeze, Boil, Cool

Set 10. Prints on its own sheet.

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

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