Q.3. The diagram is correctly labeled as follows:
- Fault: The break in the Earth's crust where the earthquake originates.
- Epicentre: The point on the Earth's surface directly above the focus.
- Focus: The point within the Earth where the earthquake starts.
- Seismic wave: The waves that travel through the Earth during an earthquake.
Q.4. As seismic waves move away from the epicenter, their energy decreases. The correct answer is b) decrease.
Q.5. The magnitude of an earthquake is frequently described using the Richter scale. The correct answer is c) Richter.
Q.6. The tool used to measure and record the earthquakes is a Seismograph. The correct answer is c) Seismograph.
Parent Tip: Review the logic above to help your child master the concept of earthquakes worksheet pdf.