Science 8 2nd Quarter Assessment
Quiz by Rhodalia Salamat
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- Q1
Which of the following statements explains how a fault is formed?
Fault is formed from the movement of the mountains, and rocks at the surface break in response to this.
Fault is formed in the Earth's core as a response to stress. Generally, the movement of the continental plates provides the stress, and rocks at the surface break in response to this.
Fault is formed in the Earth's crust as a brittle response to stress. Generally, the movement of the tectonic plates provides the stress, and rocks at the surface break in response to this.
Fault is formed from the movement of the water from the sea, and rocks at the coastal areas break in response to this.
60sS8ES-IIa-14 - Q2
What type of fault is illustrated in the image below?
Left-lateral strike slip
Normal Fault
Reverse Fault
Right-lateral strike slip
60sS8ES-IIa-14 - Q3
Which of the following causes the folding and thickening of the earth's crust?
Shearing
Compression
Parallel
Tension
60sS8ES-IIa-14 - Q4
Which of the following statements best describe the effects of bending of rocks in a fault?
The rocks bend as stress is put on them, as stress decreases, causing an earthquake.
The rocks bend as stress is put on them, as stress increases, the rocks break free, a sudden release of stress in the lithosphere causes an earthquake.
The rocks bend as stress is put on them, as stress decreases, the rocks break free.
The rocks burst as stress is put on them, as stress increases, the rocks break and stop moving.
60sS8ES-IIa-14 - Q5
In general, the shallow-focus earthquakes cause mass destruction than deep-focus earthquakes because the seismic waves travel at a shorter distance from the focus to the surface. Which of the following is not true of the focus of an earthquake?
It is the starting point of the earthquake
It is where the first movement takes place.
It is where the first break in the rock happens.
It is above the epicenter.
60sS8ES-IIa-15 - Q6
Which of the following is a difference between a focus and epicenter?
The focus is on the surface while an epicenter is underneath the focus.
The focus is where an earthquake originates, the epicenter is the spot directly above the focus.
The focus is found along the fault line while an epicenter is anywhere on the fault plane.
The focus is a flat surface while an epicenter is the geometrical center of the earth.
60sS8ES-IIa-15 - Q7
What intensity of the earthquake based on the PHIVOLCS intensity scale is slightly felt?
Intensity III
Intensity IV
Intensity I
Intensity II
60sS8ES-IIa-15 - Q8
More than 1,000 are killed when a 7.7-magnitude and a maximum Mercalli intensity of IX strikes Luzon Island in the Philippines on this day in 1990. The massive tremor wreaked havoc across a sizeable portion of Luzon, the country's largest island with Baguio City suffering the most effects. The epicenter of the quake, which struck at 4:26 pm., was North of Manila in the Nueva Ecija province. Reports indicate that the shaking went on for nearly a full minute. Collapsing buildings were the main cause of damage and death. Getting out of a multi-story building was a good safety precaution that afternoon, although many people were injured and a few even died in stampedes of others doing the same thing. (Source: www.history.com/this-day-in-history/earthquake-wreaks-havoc-in-the-philippines)
Which of the following refers to the area in the Philippines that is vertically above the focus during the 1990 earthquake?
Nueva Ecija
Manila
Baguio City
Quezon City
60sS8ES-IIa-15 - Q9
More than 1,000 are killed when a 7.7-magnitude and a maximum Mercalli intensity of IX strikes Luzon Island in the Philippines on this day in 1990. The massive tremor wreaked havoc across a sizeable portion of Luzon, the country's largest island with Baguio City suffering the most effects. The epicenter of the quake, which struck at 4:26 pm., was North of Manila in the Nueva Ecija province. Reports indicate that the shaking went on for nearly a full minute. Collapsing buildings were the main cause of damage and death. Getting out of a multi-story building was a good safety precaution that afternoon, although many people were injured and a few even died in stampedes of others doing the same thing. (Source: www.history.com/this-day-in-history/earthquake-wreaks-havoc-in-the-philippines)
Which corresponds to the measurement of the maximum motion recorded by a seismograph?
No Data available
4:26 PM
7.7 Magnitude
Intensity IX
60sS8ES-IIa-15 - Q10
___________is a fault that has NOT moved over the last 10,000 years
earthquakes
active fault
tsunamis
inactive fault
60sS8ES-IIa-15 - Q11
Why do seismic waves bend through the Earth’s layers?
Seismic waves move in a curving path more slowly through a liquid than a solid.
Seismic waves travel its curving path at different speeds through different materials.
The density of materials on the earth layer varies, the denser a material is, the faster a seismic wave travels in its curving path.
Seismic waves travel its curving path through the earth due to changes in composition, pressure, and temperature within the layers of the Earth.
60sS8ES-IIc-17 - Q12
What can you infer about the S-waves on this diagram?
S-waves propagate through liquids and gases.
S-waves travel slower as they go deeper into the mantle.
S-waves travel through liquid materials.
S-waves can travel only through solids.
60sS8ES-IIc-17 - Q13
Which of the following diagram shows how the P-waves travel?
60sS8ES-IIc-17 - Q14
Which statement is TRUE about s- waves?
These are the shake waves that move the ground up and down or from side to side.
The waves can travel through solids, liquids, and even gases.
They are the first type of wave to arrive at seismic recording stations.
They cause the ground to compress and expand.
60sS8ES-IIc-17 - Q15
What evidence helps scientists best to understand the composition of the Earth's internal structure?
Volcanic activity
Atmospheric composition
Calculating earth's density by its mass and weight
Earthquake analysis
60sS8ES-IIc-17
