Chemical changes occur when substances undergo a transformation that alters their chemical composition, often resulting in the formation of new substances. Based on this understanding, here are the examples you provided categorized into chemical changes and physical changes:
Chemical Changes:
- A rusting bicycle
- Toasted bread
- Baking a cake
- A decomposing fish
- Spoiled milk
- Bleaching your hair
- Fireworks exploding
- Burning leaves
Physical Changes:
- Density
- Drying wet laundry
- The ability to freeze
- Flammable (this refers to a property, not a change)
- Bending metal
- Slicing a cake
- A ball of aluminum foil
- Pouring milk on your cereal
- An eroded beach
- Cutting grass
It's important to note that some items may involve both physical and chemical changes in different contexts, but the ones listed above directly reflect chemical or physical changes based on the examples you provided.
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