How does the composition of the magma affect the formation of the different landforms? The composition of magma determines its ______________.

What are the resulting forces of metamorphism?

While walking on a beach, an Earth Science student with his friend saw a rock which he believes is a “gneiss”. Which characteristic of the rock did he see that would convince his friend?

What happens when tension acts on rocks?

Rocks respond differently to the same stress because of their ______.

Seafloor spreading is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge as illustrated it this Figure. What is the importance of seafloor spreading?

Which of the following DOES NOT support the theory of seafloor spreading?

Which of the following is the result from either vertical or horizontal stratification of sedimentary rocks?

Which statement best describes the principle of original lateral continuity?

One way of determining the age of a rock is based on the radioactive decay of isotopes. Which of the following is NOT emitted by the radioactive elements?

Radioactive decay is the emission of energy in the form of ionizing radiation. What happens during radioactive decay?

The age of a certain rock can be determined by dating. How do scientists perform absolute dating?

What is being used by Geologists to define and identify the subdivision of geologic time scale?

Certain fossils called index fossils help geologists match rock layers. To be useful as an index fossil, it must be widely distributed and it must represent a type of organism that existed for a brief time period. Why are index fossils useful? They are useful because they

What is the age of the Earth according to Paleontologists?

Why is the evolution of the cyanobacteria important to the evolution of an oxygen-rich atmosphere on planet Earth?

The geologic time scale is the “calendar” for events in Earth history. Which are the geologic time scales from the youngest to the oldest?

Country X has a high temperature and high temperature and high rainfall. Which of the following factor of weathering is most affected in this country?

Nuclear energy is one of the cleanest and efficient energy sources. Which of the following minerals are used as a source of this type of energy?

Tooth extraction leaves an empty gum that affects an individual’s Speaking and eating ability. To address this problem, dentists used light metallic mineral to implant tooth on the affected gum. What metallic mineral is used by the dentists?

Our planet Earth is considered uniquely different from any other planets in the Solar System. Which among the given choices correctly answers the statement? Earth is the only planet that _________.

A rock sample was recovered from Taal Volcano Island by a local. The resident volcanologist was on site and identified the rock was formed from the material ejected by the volcano during its eruption. He further observed that the rock sample had glassy appearance. What type of rock did the local recover?

Kyla collected samples of sedimentary rocks from the riverbank of Pasig. She grouped the rocks according to their characteristics. On the first group, she observed attached shells on the samples. While on the second group, she observed pebbles attached on it. What type of sedimentary rocks did Kyla collect from the riverbank?

Malampaya is one of the fossil fuel reservoirs of the Philippines situated in the island of Palawan. What type of fossil fuel is harnessed in it?

Geologist examined the ore sample from unidentified mining site. He tested the chemical, mineral and particle size of the mineral sample. What mineral processing did he perform?

Mineral processing is the process of extracting minerals from the ore, refining them, and preparing these minerals for use. Which of the arrangement of mineral processing is correct?

Earth is the only planet in the Solar system known to harbor life. Why is Earth called “the living planet?