Some Natural Phenomena
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Tsunami hits at San Jose: picture by Angela Riddock |
Worksheet based on Class 8 NCERT Chapter 15
Fill in the blanks with appropriate words given below:
seismograph, Ritcher scale, static, earthquake, positive, earthing, thunder, Like charges, seismic waves, unlike charges, electroscope
1. _______ electricity consists of electric charges which do not flow.
2. A glass rod when rubbed with a piece of silk cloth gets charged with ________ charge.
3. Seismic waves are recorded by an instrument called ____________.
4. An explosive sound heard during lightning is termed as _________.
5. _____ _______ repel each other while ______ _______ attract each other.