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- 1. Multiple Choice
What is the primary process that turns sediments into sedimentary rocks?
organisms walking on layers of sediment, pressing particles together tightly
minerals within sediment, absorbing water, and undergoing a chemical reaction
upper layer of sediment, pressing down on lower layers of deposited sediment
magma cooling under the surface of Earth, crystallizing to form rock
- 2. Multiple Choice
As a volcano erupts, it produces lava. As this lava flows, it cools down and hardens, forming a rock. How would you classify this rock?
as molten rock
as a sedimentary
as a metamorphic
as an igneous rock
- 3. Multiple Choice
Sometimes fossils can be found in sedimentary rocks. Which statement best explains why?
heat and pressure from deep within earth causes fossils to form
The remains from dead plants and animals settle to the bottom of an ocean or lake and are covered by mud. Pressure eventually forms these layers into rock
Lava may flow over a animal or plant, and as it cools and hardens, a fossilized rock is formed.
larger rocks are slowly eroded away by the elements on earth
- 4. Multiple Choice
A metamorphic rock can also be thought of as rock that changes. What causes the rock to change?
Layers of sediment building up over time and pressing down, forming rock
rain, wind, freezing, thawing, and plant roots growing cause the rock to erode away, leaving behind sediment
Extreme heat and pressure from deep within earth cause changes to the rock's appearance, structure, and composition.
the rock slowly changes over time into a new rock
- 5. Multiple Choice
Fossils refers to ____.
how igneous rocks were formed over time
the remains of dead plant or animals settle to the bottom of an ocean or lake and are covering by mud
a trace or print, or the remains of a plant or animal of a past age preserved in earth or rock
layers of sediment building up over time and pressing down, forming rock
- 6. Multiple Choice
what is similar about igneous rock and metamorphic rock formation?
. the formation of metamorphic or igneous rocks requires extreme heat.
the formation of metamorphic or igneous rocks occurs deep undergrounds
the formation of metamorphic or igneous rocks results in rock that have similar appearance
the formation of metamorphic or igneous rocks requiring layering
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