Skip to content
LessonPrint

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 2 of 25 · the same problems every time you open this link.

Next set

One paper per student

12345678910111213141516171819202122232425

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.Cake batter is baked in the oven. Can the cake be turned back into batter?
  • A.Yes, by cooling it
  • B.Yes, by adding water
  • C.No, baking makes a change that cannot be undone
2.A tray of water is left in the freezer overnight. What will you find in the morning?
  • A.Solid ice
  • B.An empty tray
  • C.Warm water
3.Water is boiled in a pan with a lid on. What do you see on the inside of the lid?
  • A.Dry dust
  • B.Drops of water
  • C.Salt
4.The melted lolly is put back in the freezer. What happens?
  • A.It stays runny for ever
  • B.It freezes solid again
  • C.It turns into steam
5.Chocolate is warmed in a bowl over hot water. What happens?
  • A.It melts into a runny liquid
  • B.It disappears
  • C.It turns hard and black
6.A snowman is left in the spring sunshine. What happens to it?
  • A.It melts into water
  • B.It turns into ice cream
  • C.It grows bigger
7.Bread is toasted, then left to cool. What happens?
  • A.It turns back into bread
  • B.It stays toast
  • C.It melts
8.An egg is boiled for ten minutes and then cooled. Will it go runny again?
  • A.Yes, if you shake it
  • B.Yes, as soon as it cools
  • C.No, cooking it is a change that cannot be undone

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

Answer key — Melt, Freeze, Boil, Cool

Set 2. Prints on its own sheet.

  1. 1.No, baking makes a change that cannot be undone
  2. 2.Solid ice
  3. 3.Drops of water
  4. 4.It freezes solid again
  5. 5.It melts into a runny liquid
  6. 6.It melts into water
  7. 7.It stays toast
  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.