Reversible & Irreversible Changes

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  • Environmental education

  • Work sheet

  • Age 7-13

  • level: grade 3

  • English

Author's Instructions

Topic: Reversible and Irreversible Processes

 

Name: ___________________________                                              Date: ___________________________

 

Section A: Multiple Choice Questions

 

  1. Which of these is a reversible process?
    a) Melting ice
    b) Baking a cake
    c) Burning wood
  2. Answer: ____________

  3.  
  4. An irreversible process is one where:
    a) The change can be undone
    b) The change cannot be undone
    c) No change happens
  5. Answer: ___________

  6.  

Section B: True or False

 

  1. Freezing water is an irreversible process. (True/False)
  2. Burning paper is an irreversible process. (True/False)
  3.  

Section C: Examples

 

Write two examples each of reversible and irreversible processes.

 

  • Reversible: ____________, ____________
  • Irreversible: ____________, ____________

 

Section D: Definitions

 

Define the following terms:

 

  • Reversible process:
  •  
  • Irreversible process:
  •