Presentation on theme: "Physical and Chemical Properties and Changes. Physical Properties Are a substance’s characteristics that can be observed. Qualitative Examples: How something."— Presentation transcript:
Example: nail rusted nail silverorangish/brown magneticnot magnetic
Review Classify the following scenarios as either physical or chemical changes. ScenarioPhysical ChangeChemical Change Baking a Cake Melting Snow Pouring water into a graduated cylinder Burning a candle Mixing the batter Odor change, color change, not easily reversed Change in state of matter Change in shape Melting the wax Odor, new gas, heat or light
Mushrooms act as decomposers in the rainforest Is decomposition a physical change or chemical change? Explain
Leaf cutter ants carry leaves back to their nest and grind the leaves into pulp. A fungus grows on the pulp and is used as food for ants. Explain both the physical and chemical changes of their actions.