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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 25 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 snowman is left in the spring sunshine. What happens to it?
  • A.It turns into ice cream
  • B.It grows bigger
  • C.It melts into water
2.Cake batter is baked in the oven. Can the cake be turned back into batter?
  • A.Yes, by adding water
  • B.Yes, by cooling it
  • C.No, baking makes a change that cannot be undone
3.Bread is toasted, then left to cool. What happens?
  • A.It melts
  • B.It stays toast
  • C.It turns back into bread
4.A puddle sits in the hot sun all afternoon. What happens to it?
  • A.It freezes
  • B.It gets deeper
  • C.It dries up as the water goes into the air
5.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
6.A cold can is taken out of the fridge on a warm day. What appears on the outside?
  • A.Tiny drops of water
  • B.Nothing at all
  • C.Ice cubes
7.The melted lolly is put back in the freezer. What happens?
  • A.It turns into steam
  • B.It stays runny for ever
  • C.It freezes solid again
8.Butter is left in a warm kitchen all day. What happens?
  • A.It goes hard
  • B.It goes soft and may melt
  • C.It turns to ice

LessonPrint · 2-PS1-4 · Set 25 · free to copy for classroom use

Answer key — Melt, Freeze, Boil, Cool

Set 25. Prints on its own sheet.

  1. 1.It melts into water
  2. 2.No, baking makes a change that cannot be undone
  3. 3.It stays toast
  4. 4.It dries up as the water goes into the air
  5. 5.Solid ice
  6. 6.Tiny drops of water
  7. 7.It freezes solid again
  8. 8.It goes soft and may melt

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