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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 3 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.Bread is toasted, then left to cool. What happens?
  • A.It stays toast
  • B.It turns back into bread
  • C.It melts
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.Ice cubes
  • B.Tiny drops of water
  • C.Nothing at all
4.A puddle sits in the hot sun all afternoon. What happens to it?
  • A.It gets deeper
  • B.It dries up as the water goes into the air
  • C.It freezes
5.A snowman is left in the spring sunshine. What happens to it?
  • A.It melts into water
  • B.It grows bigger
  • C.It turns into ice cream
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.Water is boiled in a pan with a lid on. What do you see on the inside of the lid?
  • A.Drops of water
  • B.Dry dust
  • C.Salt
8.An egg is boiled for ten minutes and then cooled. Will it go runny again?
  • A.Yes, as soon as it cools
  • B.Yes, if you shake it
  • C.No, cooking it is a change that cannot be undone

LessonPrint · 2-PS1-4 · Set 3 · free to copy for classroom use

Answer key — Melt, Freeze, Boil, Cool

Set 3. Prints on its own sheet.

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

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