Page 139 - Science Class 06
P. 139

B.   Fill in the blanks.
                  1.  Electricity is produced _____________     by rubbing two objects.

                  2.  Like charges _____________     each other.
                  3.  Electric current flows from _____________       to _____________   .
                  4.  _____________     do not allow electricity to pass through them.

                  5.  Water is a _____________     conductor of electricity.
              C.   Write True or False.
                  1.  Electric charges and currents a ract or repel each other.
                  2.  A voltaic cell has zinc and silver rods.

                  3.  We use dry cell in a torch or toy.
                  4.  An open circuit does not allow electricity to circulate the circuit.
                  5.  Water is neither a good conductor nor an insulator.

              D.   Very short answer ques ons.
                  1.  What do you mean by energy?
                  2.  Write any three different forms of energy.
                  3.  What is current electricity?

                  4.  What is a conductor?
                  5.  Why do electricians use rubber gloves while working with electric appliances?
              E.   Short answer ques ons.
                  1.   What is electric energy?

                  2.   Differen ate between electric and sta c energy.
                  3.   Describe the structure and working of a dry cell.
                  4.   Differen ate between conductor and insulator with appropriate examples.
                  5.   Is water a conductor or an insulator?

              F.   Long answer ques ons.
                  1.  How sta c electricity is different from current electricity?
                  2.  Write the construc on of a voltaic cell using a diagram.

                  3.  Write the construc on of dry cell.
                  4.  Describe electric circuit with the help of a diagram.
                  5.  Draw the diagram of a torch and show its various parts.
                  6.  What will happen when the wire in a circuit is detached from the circuit?

                  7.  What is the purpose of using an electric switch in a circuit?

             Project ActivityActivityActivity
             Project
             Project
             Project Activity
              Take a discharged dry cell and open it carefully using a knife. But, before doing this, wear rubber
              gloves because the chemicals of the cell may cause harm to you. Observe the cell and write the
              materials used inside it.




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