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WorksheetsEarth and Space Science CHAPTER 4 Earth's Minerals and Rocks
Total questions: 60
Worksheet time: 5hrs 0mins
Quartzite is a _______
Foliated
Non-Foliated
__________ is a metamorphosed quartz sandstone
Schist
Gneiss
Quartzite
Marble
A ________ metamorphic rock is banded with minerals showing alignment
Foliated
Non-foliated
Select all possible answers:
Which of the following metamorphic rocks are foliated?
Quartzite
Schist
Phyllite
Slate
Which of the following rocks is formed by regional metamorphism?
Andesite
Basalt
Gneiss
Hornfels
Metamorphic rocks are altered by heat and pressure.
TRUE
FALSE
Heat and pressure change the physical and chemical nature of a rock.
TRUE
FALSE
Sediment can only be found in bodies of water.
TRUE
FALSE
Which type of sedimentary rock is formed by the crystallization of chemical precipitates?
Biochemical sedimentary rocks
Chemical sedimentary rocks
Clastic sedimentary rocks
None of the above
Which is a common chemical sedimentary rock?
Rock salt
Granite
Conglomerate
Slate
Shale is made from:
Jagged, angular rocks
Round rocks
Sand
Clay
Limestone can be considered both a chemical or organic sedimentary rock.
TRUE
FALSE
Lithification creates:
Clastic or bioclastic sedimentary rocks
Igneous rocks
Fossiliferous metamorphic rocks
Chemical sedimentary rocks
Which of the following is an important depositional feature in sedimentary rocks?
Compaction
Cementation
Lithification
Cross-bedding
Fill in the blank:
________ sedimentary rocks form as minerals precipitate from a fluid rather than being squeezed and cemented together.
Clastic
Chemical
Combined
Which of the following can result in the formation of sedimentary rock?
The accumulation of shell fragments
The cementation of former sand deposits
Lake sediment that is squeezed together by overlying sediment
All of the above
Which environment would you be most likely to find sedimentary rocks?
Near active volcanoes
River deltas
Mountain ranges
Deep ocean trenches
What type of rock is formed by the deposit of sediments compacted together?
Sedimentary
Metamorphic
Igneous
Which of the following is NOT an example of sediment?
Cement
Sand
Wilt
Pebble
Clay
Select all possible answers:
How might an increase in global sea level influence the preservation of fossils in sedimentary rocks?
It can cause the erosion and destruction of sedimentary rock layers, resulting in the loss of some fossils
Fossils will become compressed and flattened as a result of the increased pressure from rising sea levels
It has no impact on the formation and preservation of fossils in sedimentary rocks
More fossils will form due to the greater deposition of sediment
Select all possible answers:
What happens to sediments before they can form a sedimentary rock?
Transportation
Deposition
Weathering
Cooling
Mafic magma forms ________ as an extrusive rock and _________ as an intrusive rock.
Basalt, gabbro
Basalt, granite
Andesite, diorite
Rhyolite, granite
Which pair of intrusive and extrusive rocks belongs to the same composition category?
Andesite, diorite
Rhyolite, diorite
Diorite, darite
All of the above
Which rock type is dark in color?
Felsic
Mafic
Magma cooling underground forms large crystals.
TRUE
FALSE
Pumice makes up most of the seafloor.
TRUE
FALSE
Which of the following is an example of igneous rock?
Obsidian
Granite
Basalt
Pumice
Why do intrusive igneous rocks have large crystals?
Because magma cools slowly
Because magma cools quickly
Because they are exposed to low temperatures
Because they have a low density
What is another term for an intrusive igneous rock?
Volcanic
Sedimentary
Plutonic
Metamorphic
Which of the following describes the main difference between igneous rocks from continental and oceanic crust?
Oceanic igneous rocks have higher silica content than continental igneous rocks
Oceanic crust is mostly basalt and gabbro, while continental crust is mostly granite
Continental igneous rocks are mostly mafic in composition, while oceanic igneous rocks are mostly felsic
Oceanic igneous rocks are more resistant to weathering and erosion than continental igneous rocks
Which type of igneous rocks contain aluminum and sodium are high in silica?
Quartz
Olivine
Felsic
Mafic
Igneous rocks form when magma cools and forms crystals. How does the rate at which the magma cools affect the appearance of the rock?
It affects the heat of the rock
It affects the texture of the rock
It affects the location where the rocks can be found
It affects the colors of the rock
Sedimentary rocks form when existing rocks are transformed by heat and pressure.
TRUE
FALSE
Select all possible answers:
You are exploring a volcanic island and come across two different types of rocks. One has large, dark-colored crystals, while the other has smaller, light-colored crystals. Which type of igneous rocks do you think you've found based on your observations of the rock, and what factors contribute to the differences in crystal size and color?
The rock with smaller, light-colored crystals is most likely a felsic igneous rock, formed from faster cooling of magma rich in aluminum and sodium
The rock with smaller, light-colored crystals is most likely mafic igneous rock, formed from faster cooling of magma rich in aluminum and sodium
The rock with large, dark-colored crystals is most likely a mafic igneous rock, formed from the slow cooling of magma rich in iron and magnesium
Both rocks are likely to be intermediate igneous rocks, formed from a balanced composition of magma and moderate cooling rates
What happens to rocks when subjected to extreme heat and pressure?
They are deposited as sedimentary rock
They change in composition and texture
They convert to igneous rock
They are crushed into sediments
Select all possible answers:
How can intense heat and pressure affect existing metamorphic rocks?
Intense heat and pressure cause metamorphic rocks to weather and erode
Intense heat and pressure cause the minerals in metamorphic rocks to recrystallize
Intense heat and pressure cause metamorphic rocks to melt and become igneous rocks
Intense heat and pressure cause metamorphic rocks to break apart into sediments
The rock cycle describes how one rock type transforms into another
TRUE
FALSE
What is one type of rock that is NOT made from minerals?
Basalt
Jade
Granite
Coal
Select all possible answers:
Which rock type can be made into a metamorphic rock?
Igneous rock
Metamorphic rock
Sedimentary rock
The rock in the image formed from the compaction of river sediment from a river delta. What type of rock is depicted in the image?
Igneous
Metamorphic
Sedimentary
The minerals in a rock can give clues about how the rock was formed. What influences how different minerals form?
Environmental conditions
Colors
Rock cycles
Eras
What is the molten rock inside the Earth called?
Lava
Plasma
Magma
None of the above
A mineral that forms when water evaporates is _________
Gold
Silver
Halite
Diamond
Magma erupts out of Earth as:
Plasma
Latex
Lava
None of the above
Minerals form from hot water in this way:
Hot underground water dissolves materials from rocks, but then as the water moves through the rock it cools and precipitates minerals
Hot water dissolves materials as it moves through the rock, but then the water evaporates and leaves behind minerals
Hot water contains minerals that precipitate when the water evaporates away
As pressure on the hot water lowers, minerals are stable and precipitate from the water
How do minerals form?
Deposits from groundwater
Crystallization of magma
Evaporation of saltwater
All of the above
Luster is the physical property that describes which of the following?
How shiny or dull the mineral appears
What color mark the mineral leaves when scraped on the white tile
How quickly the mineral sinks through water
How hard the mineral is to break
Why does halite break into cubes?
It fractures along perpendicular planes
This is the way the weaker chemical bonds break
Its fibers are perpendicular to each other and that is how it breaks
Breaking a mineral doesn't break its chemical bonds
TRUE
FALSE
Which mineral has the distinctive property of reactivity to acid?
Magnetite
Fluorite
Sulfur
Calcite
Which of the following would display the reactivity (a chemical property) of a mineral?
Is easily scratched by a piece of quartz
Has a shiny surface
Breaks easily when struck with a chisel
Bubbles when touched by acid
A mineral's cleavage describes which of the following?
The mineral's ability to resist being scratched
The pattern or patterns according to which it breaks
What kind of mark it leaves on white tile
The way light reflects off the surface
__________ make up over 90% of Earth's crust
Carbonates
Halides
Phosphates
Silicates
Silicate minerals are made up of
Calcium, iron and magnesium in any number bonded with silica in a pyramid shape
One silicon atom bound to three oxygen atoms to form a geometric shape
Silica tetrahedra, which may be bound to other elements
Silica pyramids, which are bound only to each other, but in different structures
Select all possible answers:
Which of the following elements are part of the largest mineral group?
Magnesium
Carbon
Barium
Iron
In how many ways can silica tetrahedra combine?
4
8
5
6
Minerals have a specific chemical composition.
TRUE
FALSE
A crystal is a solid in which atoms are arranged in a regular, repeating pattern.
TRUE
FALSE
The bonds between atoms in a diamond are weak.
TRUE
FALSE
What is a solid in which the atoms are arranged in a regular, repeating pattern?
Crystal
Rock
Gemstone
Molecule
