25 Questions
How are metamorphic rocks formed?
By being buried deep in the Earth at high temperatures and pressures
Volcanoes erupt when magma reaches the Earth’s ______
surface
Minerals have a (very complex) ______ formula
chemical
Sedimentary rocks are formed from weathered ______
sediment
What is the next stage after the Red Giant phase in the life cycle of a star?
White Dwarf
What is the fate of Earth and its neighboring planets when the Sun becomes a Red Giant?
They will be swallowed up
The Red Giant phase occurs when a star runs out of hydrogen.
True
Supernova explosions are the largest and most powerful explosions in the universe.
True
What physical process can cause weathering due to the expansion and contraction of rocks?
Temperature change
Which of the following can form U-shaped valleys by scraping pieces off surrounding rocks?
Glaciers
What can dissolve rock through the action of dissolved acids?
Acid rain
As the ice ______ it widens cracks in rocks
expands
The movement of weathered rock particles is called ...........
removal
What did Alfred Wegener call the single supercontinent that split into Laurasia and Gondwana?
Pangaea
What evidence did Wegener use to support his theory of continental drift?
Fossils of the same species found on continents far apart
Explain the concept of tectonic plates and their movement in the Earth's crust.
Tectonic plates are moveable lithospheric plates that sit and move along the molten asthenosphere below. They are responsible for the movement and shifting of the Earth's crust.
Briefly describe the subduction zone
Which scale is used to describe the resistance of a mineral to scratching?
Mohs scale of hardness
What is the streak of a mineral?
Color of the powder produced when dragged across a surface
What is cleavage in relation to minerals?
The way a mineral breaks along definite structural planes
What does fracture refer to in minerals?
Property of breaking in a more or less random pattern
Who created the scale of mineral hardness grading from the softest to the hardest?
Friedrich Mohs
True or false: Friedrich Mohs created a scale of mineral hardness from 1 to 100?
False
What happens to rocks if they are buried deep in the Earth at high temperatures and pressures?
They form new minerals and metamorphic rocks
What did Alfred Wegener call the single supercontinent that split into Laurasia and Gondwana?
Pangaea
Test your knowledge about metamorphic rocks and how heat and pressure can transform different types of rocks. Learn about the formation process and the role of temperature and pressure in creating new minerals and textures.
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