Observe the activity in your classroom. You can observe people, objects, and parts of your actual classroom as you begin to notice changes in matter. Collect data for two examples of changes in matter. Use the Changes in Matter observation questions to determine if your examples are physical or chemical changes. Your answer should include the following: two examples, the type of change for each, and how the examples were formed. You can use this format: Example 1: Type of Change: How examples were formed: