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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 7 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 turns into steam
  • B.It stays runny for ever
  • C.It freezes solid again
2.A puddle sits in the hot sun all afternoon. What happens to it?
  • A.It freezes
  • B.It dries up as the water goes into the air
  • C.It gets deeper
3.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
4.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
5.An ice pop is left on a sunny table. What happens to it?
  • A.It melts into a sticky liquid
  • B.It turns into toast
  • C.It freezes harder
6.Chocolate is warmed in a bowl over hot water. What happens?
  • A.It turns hard and black
  • B.It melts into a runny liquid
  • C.It disappears
7.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
8.Bread is toasted, then left to cool. What happens?
  • A.It stays toast
  • B.It melts
  • C.It turns back into bread

LessonPrint · 2-PS1-4 · Set 7 · free to copy for classroom use

Answer key — Melt, Freeze, Boil, Cool

Set 7. Prints on its own sheet.

  1. 1.It freezes solid again
  2. 2.It dries up as the water goes into the air
  3. 3.It melts into water
  4. 4.It goes soft and may melt
  5. 5.It melts into a sticky liquid
  6. 6.It melts into a runny liquid
  7. 7.Tiny drops of water
  8. 8.It stays toast

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