2 Physical ChangePhysical changes occur when matter changes its properties but does NOT change the composition.Changes what it looks likePhysical changes can be “undone”
3 Physical changes in matter Choose 3 Examples for your notesFreezingDissolvingCutFoldedShapeSizeTextureState of matterVolumeMeltingMass/WeightExpected Color Change
4 Physical ChangeThis is a physical change because water is changed to ice. This is a liquid changing to a solid which is a change in the state of matter only.
5 Chemical ChangeChemical changes are changes matter undergoes when it becomes new or different matter.Chemical changes cannot be undoneBurning, Rusting and Cooking a common examples of chemical changes
6 4 signs of a chemical reaction UNEXPECTED Color ChangeGas FormationPrecipitate FormationTemperature Change-Endothermic (inside)-Exothermic (outside)
7 Chemical ChangeA chemical change occurs when fireworks are used. Fireworks are made of metals such as magnesium and copper. These change chemically as they light up the sky.
8 Is it a chemical or physical change? Sugar dissolving in teaChemical ChangePhysical Change