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VS Chem/Phys Changes
Chemical and Physical Changes
| Question | Answer |
|---|---|
| change is state (solid to liquid to gas etc.) | physical change |
| change in chemical bonds | chemical change |
| signs of chemical change | formation of gas, light, or odor, temperature change up or down without outside interference |
| Mowing the yard | physical change |
| Soil eroding from a hillside | physical change |
| Butter melting on popcorn | physical change |
| Molding clay into a new shape | physical change |
| Freezing a juice box in the freezer | physical change |
| Water evaporating from a lake | physical change |
| Rubbing alcohol evaporating from your hand | physical change |
| Hammering wood to make a birdhouse | physical change |
| Ripping aluminum foil | physical change |
| Breaking glass | physical change |
| Squeezing lemons for lemonade | physical change |
| Ice forming on a lake | physical change |
| Boiling water | physical change |
| Condensation on a soda can | physical change |
| Painting your nails | physical change |
| Coloring a picture | physical change |
| Separating sand from gravel | physical change |
| Frying an egg | chemical change |
| Dying your hair | chemical change |
| Lighting a match | chemical change |
| Rust forming on a bicycle | chemical change |
| Acid rain eroding a statue | chemical change |
| Taking an antacid to settle your stomach | |
| Gasoline igniting | chemical change |
| Hydrogen peroxide bubbling in a cut | chemical change |
| Jewelry tarnishing | chemical change |
| Food digesting | chemical change |
| Milk going sour | chemical change |
| A plant photosynthesizing | chemical change |
| Food scraps rotting in a compost pile | chemical change |