Questions
1. Which age is the sensorimotor stage from - to?
      -   From birth to 2 years old.
   2. What is object permanence?
      - It is understanding the objects that the child cannot be observed such as
          seen, heard and touched .
   3. What ages is the preoperational period from  to?
      - From 2 to 7 years old.
   4. What is conservation?
      - It is ability to retain original image.
   5. What is seriation?
      - It is one of the important processes which refers to the ability to sort
          objects that according to any characteristic such as size, color and shape
   6. What is classification?
      - It's mean putting thing into a group according to particular
          characteristics so it is easier to make sense of them.
   7. What is one to one correspondence?
      - It means one group understanding the number of things in other group.
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   8. According to Piaget children between ages 7-11 are in which stage?
      - Concrete Operational .
   9. What can children in the above stage do that preoperational children are
      unable to do?
      - Some child between ages 7 to 11 can conserve and some not but in ages
         2 to 7 they can know the size big or small , heavy and light.
   10.What is Piagets final stage called?
      - Formal Operational.
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