Physical and Chemical Changes - Page 5
Questions
- What are the signs of a chemical change?
- Is baking cookies a physical or chemical change?
- Explain that magnetization of an iron nail is a physical change?
- Is condensation a physical or chemical change?
- Why is making play dough a physical change?
- Is color change evidence that a chemical or physical change may have occurred?
- Is rotting wood a chemical or physical change?
- How did adding salt to ice change its freezing point?
- Is a piece of copper cut in half a physical or chemical change?
- You go on vacation for a week and leave a bowl of fruit on the table. When you return you observe the pieces of fruit. What clues would indicate that the fruir has undergone a chemical change?
- Why are chemical changes different from physical changes?
- A color change happens during an experiment mixing two liquids. Is this a physical change or chemical change?
- Is deposition a physical or chemical change?
- Which property of physical changes explains why matter is conserved in a physical change?
- Is the production of heat or light evidence that a chemical change may have occurred?
- Is evaporation a physical or chemical change?
- What kind of changes (chemical or physical) do chefs use make to food?
- What might happen to a heated beaker made from glass that does not contain boron if the beaker were placed in a pan of ice water?
- Is sublimation a physical change?
- What is the differences between physical changes and chemical changes?