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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 22 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.Nothing at all
  • B.Tiny drops of water
  • C.Ice cubes
2.A tray of water is left in the freezer overnight. What will you find in the morning?
  • A.An empty tray
  • B.Warm water
  • C.Solid ice
3.A puddle sits in the hot sun all afternoon. What happens to it?
  • A.It gets deeper
  • B.It freezes
  • C.It dries up as the water goes into the air
4.Bread is toasted, then left to cool. What happens?
  • A.It melts
  • B.It turns back into bread
  • C.It stays toast
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.Butter is left in a warm kitchen all day. What happens?
  • A.It goes hard
  • B.It turns to ice
  • C.It goes soft and may melt
7.An ice pop is left on a sunny table. What happens to it?
  • A.It freezes harder
  • B.It melts into a sticky liquid
  • C.It turns into toast
8.Water is boiled in a pan with a lid on. What do you see on the inside of the lid?
  • A.Salt
  • B.Drops of water
  • C.Dry dust

LessonPrint · 2-PS1-4 · Set 22 · free to copy for classroom use

Answer key — Melt, Freeze, Boil, Cool

Set 22. Prints on its own sheet.

  1. 1.Tiny drops of water
  2. 2.Solid ice
  3. 3.It dries up as the water goes into the air
  4. 4.It stays toast
  5. 5.No, cooking it is a change that cannot be undone
  6. 6.It goes soft and may melt
  7. 7.It melts into a sticky liquid
  8. 8.Drops of water

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