The term historical in the Philippines means 600 years ago since that was when the Spaniards first made records of the archipelago. (TRUE or FALSE)​

(a)  

Earthquakes occur at plate boundaries (TRUE or FALSE)​

(a)  

It is the area directly above the focus.​

(a)  

Volcanic activities occur at convergent and divergent boundaries (TRUE or FALSE)​

(a)  

Mountains form at convergent boundaries (TRUE or FALSE)​

(a)  

Active volcanoes are volcanoes that have a record of eruption. (TRUE or FALSE)​

(a)  

The wave that radiates from the point of origin of earthquakes.​

(a)  

Energy transfers through Earth's interior during an earthquake. (TRUE or FALSE)​

(a)  

A crack on the Earth's crust that slides past each other when the plates move.​

(a)  

These are chains of volcanoes or mountains that are found deep in the oceans.​

(a)  

Potentially active volcanoes are volcanoes that look structurally young but have no history of eruptions.​

(TRUE or FALSE)​

(a)  

Volcanic activities may happen in convergent zones, oceanic ridge systems, or within tectonic plates. (TRUE or FALSE)​

(a)  

The Ring of Fire is a region that borders the Pacific Ocean and features volcanoes associated with subduction and partial melting of the seafloor of the Pacific Ocean. (TRUE or FALSE)​

(a)  

A volcano is active if it has erupted at least once in 10,000 years. (TRUE or FALSE)​

(a)  

It is the point of origin of an earthquake.​

(a)  

The American seismologist who invented the Richter scale.

(a)  

It tells how strong is the earthquake.

(a)  

A type of volcanic earthquake characterized by continuous high-amplitude vibrations.

(a)  

Tectonic earthquakes can never trigger a volcanic activity. (TRUE or FALSE)

(a)  

The magma that rises from the depths of the earth can cause pressure changes and stress to the rocks beneath the surface. (TRUE or FALSE)

(a)  

Majority of the earthquakes that people experience are tectonic earthquakes. (TRUE or FALSE)

(a)