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Grade 2 Heating, Cooling & Reversible Changes Worksheet with Answers
Grade 2 (US) · Year 3 (UK) · Class 2 (India) · Science
Unit 1: Matter & Its PropertiesHeating & CoolingNGSS 2-PS1-4
What heating and cooling do to materials, and which changes can be undone. This free early elementary worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.
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Practice Sheetaethelsystems.comHeating, Cooling & Reversible Changes
Grade 2 · Science
Name
Class
Date
Learning goal: Heating & Cooling · NGSS 2-PS1-4
Directions: Read each question carefully. Circle the correct choice or write your answer on the line.
RememberChanges of state
- 1
Can toast turn back into bread?
- 2
Is melting ice a reversible or irreversible change?
- 3
Why can't burned paper turn back into paper?
- 4
What happens to butter in a hot pan?
- 5
Is baking a cake reversible or irreversible?
ReversibleIrreversible - 6
Is burning wood a reversible or irreversible change?
- 7
Can a cooked egg become raw again?
- 8
Can melted chocolate become solid again?
- 9
What happens to ice when it is heated?
- 10
Is freezing juice into a popsicle reversible or irreversible?
ReversibleIrreversible - 11
What happens to bread when it is toasted?
- 12
What happens to water when it is put in a freezer?
★ Challenge corner for fast finishers
I am the hottest planet, even though I am not the closest to the sun. What am I?
How did I do?
Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/science/2/heat_changes
Answer key — Heating, Cooling & Reversible Changes (Grade 2)
- 1.no
- 2.reversible
- 3.burning makes new materials (ash and smoke)
- 4.it melts
- 5.irreversible
- 6.irreversible
- 7.no
- 8.yes (cool it)
- 9.it melts into water
- 10.reversible
- 11.it turns brown and crunchy
- 12.it freezes into ice
- ★Venus
Answer key (click to show)
- 1.no
- 2.reversible
- 3.burning makes new materials (ash and smoke)
- 4.it melts
- 5.irreversible
- 6.irreversible
- 7.no
- 8.yes (cool it)
- 9.it melts into water
- 10.reversible
- 11.it turns brown and crunchy
- 12.it freezes into ice
- ★Venus (challenge corner)
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