Question

Total Mark
Note: Write a detailed report of each task including names of required
material resources, procedures, observations, and conclusion/results. All tasks are to
de performed individually and independently. Parents are requested to supervise
ther kids to ensure their safety.
1 Connect a small bulb with cell or battery with
the help of cognecting wires as shown. Cut one of its
connecting wire and connect its ends with different
pes of materials available at your home. Observe
the results and identify the behaviour of each
material. On the basis of your observations, make a
is of at least 10 items behaving as conductors or
insulators with justification. You can also perform this
experiment with some other electrical device instead of small bulb.
(6 marks)
2 Take a bowl of ice, put it out in direct sunshine and note its temperature after
every 05 minutes. What type of change in its temperature, do you observe? How
much time will it take to melt completely? Now put the same water on a stove and
note down its temperature after every 30 seconds. What type of change in its
temperature, do you observe now? How much time will it take to boil? Explain your
observations with the help of time and temperature chart. (Perform this experiment
on a sunny day)
(6 marks)
Have you ever observed that how may electrical appliances are there in your
bedroom? Write the names of all of them. How they are connected to the power
supply? Also draw a possible circuits diagram or block diagram to show their
electrical connectivity.
(6 marks)
in with some water and put some drops of red or blue​

Answer 1

Explanation:

The cost of production is reduced considerably due to cheap labour and the MNCs earn great profits. So their factories are set up in those regions where they get cheap labour and other resources.