Across
- 5. 12 grams of hydrogen + 3 grams of oxygen = 15 grams of this mixture
- 10. discovered law of conservation of mass
- 12. baking pretzels
- 13. sugar and water
Down
- 1. golden marshmallow
- 2. rotting banana
- 3. from snow to snowman
- 4. liquid + liquid = solid
- 6. milk that turned too hot
- 7. medicine tablet + water = ?
- 8. both physical and chemical properties change
- 9. from trees to chairs
- 11. physical changes can be ?
- 12. shiny necklace