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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 4 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.Tiny drops of water
  • B.Nothing at all
  • C.Ice cubes
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.Butter is left in a warm kitchen all day. What happens?
  • A.It goes soft and may melt
  • B.It turns to ice
  • C.It goes hard
4.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
5.Water is boiled in a pan with a lid on. What do you see on the inside of the lid?
  • A.Salt
  • B.Dry dust
  • C.Drops of water
6.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
7.An ice pop is left on a sunny table. What happens to it?
  • A.It melts into a sticky liquid
  • B.It freezes harder
  • C.It turns into toast
8.Candle wax drips onto a cold plate. What happens to the drip?
  • A.It stays runny
  • B.It cools and goes hard
  • C.It catches fire

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

Answer key — Melt, Freeze, Boil, Cool

Set 4. Prints on its own sheet.

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

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