In a radiometric dating test, the amount of parent material found was 12.5% and the amount of daughter material was 87.5%. How many half-lives of the radiometric element have passed?

The average current rate of movement of tectonic plates across Earth is roughly:

Oceanic Divergent plate boundaries are typically associated with

On average the earth is 3.5 times denser than water. Near its surface (crust) the density is closer to 2.7 times that of water.

The difference between the richter magnitude and the moment magnitude is that the first is related to the amplitude of horizontal shaking whereas the second is related to the amplitude of rotational shaking

what are the P and S waves collectively called?

The deepest recorded earthquakes had depths of approximately

Knowledge about the S-P interval from a recorded seismograph record allows for the determination of the magnitude of an earthquake

When an oceanic plate converges with a continental plate, the collision results in mountain building leading to the largest mountains on earth.

Pick the condition that is not necessary to produce liquefaction during an earthquake:

The hardness of a mineral depends upon

Indicate the mineral least likely to be present in sands and sandstones

Which of the following minerals can scratch Topaz?

An igneous rock which has a very high Silica Content is referred to as:

Pick the rock which does not belong to the Igneous group:

The igneous rock with a very low specific gravity is:

The fact that Lebanon has a lot of Limestone rocks indicates that Lebanon must have been under water for a very long time in its geologic history.

Which of the following is not true about the Asthenosphere ?

Example of chemically formed sedimentary rocks is

The process not contributing to the formation of classic rocks is

The non clastic sedimentary rock chiefly made of calcium carbonate is

The rock you see in the picture below is

Quartzite is formed from which rock?

Chemical weathering can change hard rock into a soft soil. The best example is the weathering of limestone into clay by hydrolysis

A residual soil layer is formed when residues of weathered and eroded rock are transported and deposited by a transportation agent (ex. Wind, water, glaciers, gravity…)

Quartz is found in which type of rock?

The process not associated with diagenesis is

The diameter of the Earth is roughly

The duration of an Earthquake increases as the magnitude of the EQ increases

The layer within the earth that does not transmit the S-waves is the

P waves radiate from the earthquake source and travel along the earth’s surface

The age of the Earth has been estimated as roughly

The fastest wave to travel from the earthquake source is

An igneous rock is light in color and is very fine in texture. This rock is possibly

The largest earthquake recorded in Lebanon over the past 100 years had a magnitude

In the Paleozoic Era, which in Greek means the “Age of the Fish”, the only form of life present on earth were fish in Oceans, Rivers, and Lakes

Earthquakes originating from focal points 500km deep are very common

Two seismographs are enough to determine the location of an earthquake

Marble is:

The bonds that hold the crystalline structure of NaCl are Covalent bonds

Which is A (the other answer is B)

Given the image below, the following can be said about the age of the rocks shown:

Pick the factors that are allowing the rock seen in the picture below to float

The hardness of a mineral is in large part due to the type of bonding between the atoms in its crystalline structure.

Which is the finest among the following ?

Mid-Ocean Ridges are features associated primarily with:

High-Temperature and low rain intensity enhance weathering

The movement of plates is due to temperature gradient:

The movement of plates is due to temperature gradient