I.
II. Activity No. 1: Elements and Compounds at Home (15 Minutes)

Objective(s):
1. Identify the difference between elements and compounds.
2. Apply your knowledge about pure substances to classify everyday materials at home.

III. Materials Needed:
a. Camera
b. Worksheet

IV. Instructions:
1. Exploration Time: Embark on a mission around your house. Look for at least 10 different items. You will classify them as elements or compounds.
2. Capture the Evidence: Take a picture of each item using your phone or camera.
3. Classification Challenge: Create a table with 3 columns: "Item Picture", "Element or Compound?", and "Reason". In the first column, paste or insert the picture of each item. In the second column, decide whether each item is most likely an element or a compound. Provide a brief explanation of your reasoning in the third column.

| Item Picture | Element or Compound? | Reason |
|-----------------------|----------------------|------------------------------|
| | | |

Science 7 Quarter 1

Elements are substances that cannot be broken down into simpler substances by chemical means, such as oxygen and hydrogen. Compounds are substances composed of two or more elements that are chemically combined in a fixed ratio, like water (H2O).

Salt: compound, pure water: compound, soil: heterogeneous mixture, salt water: homogeneous mixture, pure air: homogeneous mixture, carbon dioxide: compound, gold: element, bronze: heterogeneous mixture.

Learn more about Classification of Elements and Compounds here:

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