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WorksheetsCORE120- Review
Total questions: 20
Worksheet time: 9mins
A closely passing star or the blast of a nearby supernova explosion drew out a filament of solar material that condensed to form the planets. What theory/hypothesis does this statement best describe?
Protoplanet Hypothesis
Collision Theory
Nebular Hypothesis
None of the Above
It is an imaginary path where the planets travel to revolve around the sun.
Milky way
Asteroid belt
Oort cloud
Elliptical Orbits
Pluto downgraded as a dwarf planet. Which among the following categories set by the IAU (International Astronomical Union) Pluto does not qualify?
It has “cleared the neighborhood” around its orbit.
It has sufficient mass to assume hydrostatic equilibrium (a nearly round shape).
It is in orbit around the Sun.
None of the above. Pluto is still considered a planet.
This planet is considered to be Earth’s twin planet.
Mercury
Mars
Venus
Pluto
It is the layer of the atmosphere where all weather occurs.
Mesosphere
Lithosphere
Troposphere
Stratosphere
What is the earth subsystem that covers the whole ecosystem and life forms?
Atmosphere
Biosphere
Geosphere
Hydrosphere
Which among the following pictures shows a cleavage in the physical property of a mineral?
Which among the following minerals are under the category of Native elements?
Calcite
Gold
Feldspar
Halite
This refers to the measure of the resistance of a mineral to scratching or abrasion.
streak
hardness
fracture
cleavage
This type of rock is formed when magma or lava cools or harden.
sedimentary rock
igneous rock
metamorphic rock
none of the above
After the pandemic, you and your family decided to visit the Cagsawa Ruins, a tourist destination in Albay. Knowing the history and location of the place, what are the common rocks that could be found there?
sedimentary rocks
igneous rocks
metamorphic rocks
none of the above
Weathering of rocks would refer to the breakdown of rocks at the Earth’s surface, by the action of rainwater, extremes of temperature, and biological activity. Which of the two types of weathering would you think to occur in a dry or low in temperature region?
Mechanical Weathering
Chemical weathering
While walking in Baguio city you noticed different varieties of rocks near the area. You particularly noticed rocks having stains of orange to brownish colors. What type of Chemical weathered did you observed?
dissolution
hydrolysis
oxidation
frost wedging
Wearing away of rocks by constant collision of loose particles.
Chemical weathering
Mechanical Weathering
What do you call the rotation that would refer to rotating on the opposite direction of where it is revolving?
retrograde
prograde
Gold (Au) is categorized in which mineral group?
carbonates
native elements
sulfides
sulfites
This type of rock undergoes high pressure and high temperature?
igneous rock
metamorphic rock
sedimentary rock
You found an unknown mineral in the field. Which set of physical properties can be the most helpful in identifying an unknown mineral?
Color, streak, hardness and specific gravity
Streak, hardness, and luster
Cleavage, color, fracture and taste
In your backyard, “you noticed that the surrounding sedimentary rocks are getting weaker and easily eroded”. Anthills found near the area exhibit the same. What type of weathering is observed in both situations?
Physical weathering
Biological weathering
Chemical weathering
None of the above
While walking by the seaside you noticed a big rock having varying sizes of pores. When you look closer you noticed that there are white salty cubic crystals that are formed inside the pores. What type of Physical weathering did you observe?
saltation
salt crystal growth
abrasion
frost wedging
