✍️Activity 11B: Identifying Sedimentary Rocks
- Due Apr 18, 2021 at 11:59pm
- Points 45
- Questions 45
- Available after Apr 12, 2021 at 12am
- Time Limit None
- Allowed Attempts 2
Instructions
Identifying Sedimentary Rocks
For this quiz, you will need the following materials before you begin:
- Sedimentary rock samples
- Glass plate, streak plate, and hand lens (or magnifying glass)
- Bottle of diluted HCl or white vinegar (optional)
- Locate your sedimentary rock samples. Use the Sedimentary Image Index to order your samples to their corresponding sample numbers.
- Answer the questions in this untimed quiz to accurately identify and distinguish between a variety of common sedimentary rocks. Use the Background Reading or the Supplementary Sedimentary Rock Background to identify your samples.
- Discuss and collaborate with each other on the correct answers in this week's discussion.
Extra Help for Select Rocks:
Sedimentary Rock 1 in vinegar/weak acid. Does it react and effervesce?
Sedimentary Rock 2 in vinegar/weak acid. Does it react and effervesce?
Sedimentary Rock 4 in vinegar/weak acid. Does it react and effervesce?
Sedimentary Rock 5 in vinegar/weak acid. Does it react and effervesce?
Sedimentary Rock 6 in vinegar/weak acid. Does it react and effervesce?
Sedimentary Rock 7 in vinegar/weak acid. Does it react and effervesce?
Sedimentary Rock 9 in vinegar/weak acid. Does it react and effervesce?
Sedimentary Rock 10 in vinegar/weak acid. Does it react and effervesce?
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