Segment 2 Biology Test (Calcium Carbonate Lab, pH scale, Erosion)

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5 Terms

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What evidence showed that a chemical reaction occurred when acid was added to calcium carbonate?

Bubbling/fizzing from CO2 gas being released

Acid+CaCO3 → CO2 gas (bubbles)

2
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What is the pH Scale?

A scale that measures the concentration of hydrogen ions in a solution

3
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How does the pH Scale work?

It ranges from 0-14:

0-6 → Acidic

7 → Neutral

8-14 → Basic (alkaline)

4
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Causes of Coastal Erosion

  • Waves

  • Currents/Tides

  • Wind

  • Storms

  • Chemical Weathering (Acidic water dissolving minerals like calcium carbonate)

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Effects of Coastal Erosion

  • Sea cliffs wear down

  • Beaches shrink

  • Caves, arches, stacks form

  • Sediments get moved along the coast