Physical & Chemical Changings

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  • Environmental education

  • Work sheet

  • Age 7-14

  • level: grade 3

  • English

คำแนะนำของผู้เขียน

Topic: Chemical and Physical Changes

 

Name: ___________________________                                                  Date: ___________________________

 

Section A: Multiple Choice Questions

 

  1. Which of the following is a physical change?
    a) Burning paper
    b) Ice melting
    c) Rust forming
  2. Answer: ____________

  3.  
  4. What happens during a chemical change?
    a) Only the shape changes
    b) A new substance is formed
    c) The change can be reversed easily
  5. Answer: ____________

  6.  

Section B: True or False

 

  1. Breaking a glass is a chemical change. (True/False)
  2.  
  3. Cooking an egg is a chemical change. (True/False)
  4.  

Section C: Fill in the Blanks

 

  1. A chemical change results in the formation of a ____________.
  2.  
  3. A ____________ change involves only the appearance or state of the substance, not its composition.
  4.  

Section D: Short Questions

 

  1. What is the main difference between a physical and chemical change?
  2.  

 

 

 

  1. Give one example each of a physical and a chemical change.
  2.  

 

 

 

Section E: Diagram Activity

 

 

Study the diagram  and answer the questions:
(Image provided shows ice melting into water and paper burning into ash)

  1. Label which side shows a physical change and which shows a chemical change.
  2. Explain what happens to the particles in each type of change.