NSO Level 1- Science Olympiad (SOF) Class 8: Questions 994 - 997 of 1175
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Question 994
Question
MCQ▾It is not safe to use a landline phone during a thunderstorm when you are outdoors. The reason is
Choices
| Choice (4) | Response | |
|---|---|---|
a. | It can cause deafness and Any object with metallic components increases the chances of electric shock | |
b. | It can cause deafness. | |
c. | Any object with metallic components increases the chances of electric shock | |
d. | You won՚t hear the sound properly | |
Question 995
Question
MCQ▾Mother told Ravi not to touch electric switch with wet hands. The reason is
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Moisture may cause electric shock. | |
b. | Water is a good conductor of electricity. | |
c. | Water is a good conductor of electricity and Moisture may cause electric shock. | |
d. | None of the above | |
Question 996
Question
MCQ▾The logarithmic scale which shows the magnitude of earthquake is called
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Weighing scale | |
b. | Seismic scale | |
c. | Iron scale | |
d. | Richter scale | |
Question 997
Question
MCQ▾Raju was doing an experiment to learn about electric charges. He took two balloons, two used ball pen refills, a piece of wool and a piece of polythene. He rubbed both the balloons with wool and brought the balloons together. He observed that the balloons moved away from each other. Then he rubbed both the refills with the piece of polythene and brought near to each other. Again he observed that they moved away from each other. From this experiment he concluded that
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Like charges repel | |
b. | Unlike charges repel | |
c. | Unlike charges attract | |
d. | Like charges attract | |