8. What do you call the transfer of energy from one place to another without
transferring solid, liquid or gas matter?
A. Frequency
C. Wave
B. Magnitude
D. Intensity

9. What do you call the waves that travel at right angles to the direction of travel?
A. Secondary waves
C. Seismic waves
B. Primary waves
D. Earthquake waves

10. It is an instrumental measure of the amplitude of ground shaking?
A. Frequency
C. Intensity
B. Magnitude
D. Transverse waves

11. All of these should preferably be done after earthquake except one. What is this?
A. Familiarize yourself with the exit rules.
B. Don't use telephones or any gadgets unless necessary.
C. Don't enter damaged buildings.
D. Check and control fires which may spread.

12. What instrument use to measure the magnitude of an earthquake?
A. Thermometer
C. Seismograph
D. Telegraph
B. Wind vane
sed by an earthquake?​