Chemistry: Elements and Compounds Unit Plan, 6th grade ...



Elements & Compounds Unit Plan

My test is on: Friday, September 11

What do you already know?

How are salt, water and sugar similar? Different?

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Learning Targets:

|6.5A |I know that an element is a pure substance represented by a chemical symbol |

|6.5B |I can recognize that a limited number of elements make up the solid Earth, living matter, oceans, and atmosphere |

|6.5C |I can differentiate between elements and compounds |

Vocabulary:

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|Pure Substance | |

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|Element | |

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|Periodic Table of | |

|Elements | |

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|Atomic Number | |

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|Atomic Symbol | |

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|Chemical Formula | |

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|Compounds | |

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Warm-ups

|Number |Your Answer |Sticky Note |

| |What is a pure substance? | |

| |Give at least three examples. | |

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| |What is an element? | |

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| |What is a compound? | |

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| |Why does bag F (refer to Paperclip Lab) represent an element? | |

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|3. |Why does bag A represent a compound? | |

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| |List at least three differences between elements and compounds. | |

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|4. |2. | |

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| |What are the chemical symbols for the following elements: | |

| |Oxygen: | |

| |Carbon: | |

|5. |Helium: | |

| |Nitrogen: | |

| |Sodium: | |

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| |What are the most common elements in Solid Earth (Lithosphere): | |

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| |The oceans (Hydrosphere): | |

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| |The atmosphere: | |

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| |Living things (Biosphere): | |

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|7. |What common element would be found in all 4 domains of Earth? | |

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| |Look at the following symbols: | |

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| |Circle the symbols that represent an element. | |

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| |Draw a square around those that represent a compound. | |

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| |******* B. **@@$& | |

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Essential Questions:

Answer in complete sentences.

1. What is meant by the term “pure substance”?

2. What is an element?

3. What is a compound?

4. Which elements make up the solid Earth? Earth’s Oceans? The atmosphere? Living things? What element do they have in common?

5. How can you distinguish elements from compounds?

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