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Questions and Answers
What kind of weathering causes the mineral composition of rocks to change?
What kind of weathering causes the mineral composition of rocks to change?
- Mechanical weathering
- Chemical weathering (correct)
- Permeable weathering
- Biological weathering
Which process forms sandstone?
Which process forms sandstone?
- Heat and pressure
- Biological processes
- Melting and cooling
- Compaction and cementation (correct)
Which geological period represents more than 20% of Earth's history?
Which geological period represents more than 20% of Earth's history?
- Jurassic period
- Cretaceous
- Pre-Cambrian Eon (correct)
- Phanerozoic Eon
How are clastic rocks formed?
How are clastic rocks formed?
Are erosion and weathering dependent upon one another?
Are erosion and weathering dependent upon one another?
What is the process by which rocks are broken down chemically or physically known as?
What is the process by which rocks are broken down chemically or physically known as?
What is the law that states sedimentary rock layers are deposited horizontally?
What is the law that states sedimentary rock layers are deposited horizontally?
Which type of rock is formed from the slow cooling of magma within the Earth?
Which type of rock is formed from the slow cooling of magma within the Earth?
What is the most powerful force of weathering and erosion?
What is the most powerful force of weathering and erosion?
Which process forms metamorphic rocks?
Which process forms metamorphic rocks?
What is the term for when a rock is broken down into smaller pieces?
What is the term for when a rock is broken down into smaller pieces?
What causes a rock containing iron to become soft and reddish-brown in color?
What causes a rock containing iron to become soft and reddish-brown in color?
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