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Limestone Ingredients

Limestone Ingredients. Basins. Observations and profile-view drawing What two rocks are in our basin? In nature, what materials are sandstone made of? In nature, what materials are shale made of?

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Limestone Ingredients

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  1. Limestone Ingredients

  2. Basins • Observations and profile-view drawing • What two rocks are in our basin? • In nature, what materials are sandstone made of? • In nature, what materials are shale made of? • What kind of environments could you infer these rocks would form in? What are characteristics of these environments?

  3. What is the next layer we need to add in our basin? • LIMESTONE!!!

  4. Limestone • In your groups, discuss limestone and the environment limestone would be formed in. Use the sample given to you and your notes and observations you’ve made so far. • Write down your ideas in your notebook.

  5. Limestone • What was an interesting observation we made about limestone, a characteristic that none of the other rocks had? • What happened when you put hydrochloric acid on the rock? • What caused the fizz? • Can anyone remember the name of the material that reacted with the acid?

  6. Limestone Fizz

  7. Limestone Environment • Limestone is created in a seawater environment. • What in this environment could create calcium carbonate? • In your groups, make a list of things you know are in seas that could contribute to making calcium carbonate.

  8. Testing Your Ideas • We don’t have any of the ancient animals that lived in the sea millions of years ago. • But, we do have the sea water. • I have prepared some water similar to ancient seawater. • We have the seawater, but we need to simulate animals living in it.

  9. How could we simulate animal life in our seawater samples? • What we will be doing is introducing carbon dioxide into the environment. • How could we do that? • We exhale carbon dioxide, therefore, we will be exhaling and blowing bubbles into our seawater.

  10. The Special Ingredient in Our Seawater! • This water is not plain water, it has a chemical called calcium hydroxide. • This chemical dissolved in water is called lime water. Ancient seawater contained this chemical.

  11. Lime Water Procedure • Open lab books Page 37. • Read through the procedure. • Follow the procedure carefully. • REMEMBER TO MAKE OBSERVATIONS!!!!!

  12. Our Experiment

  13. Control • What is a control? • Controls are used in science to have something to compare our results against. • Our control will not have carbon dioxide introduced into it, therefore, you can compare what effects the carbon dioxide had on your seawater.

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