Bath Bomb Crossword

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Across
  1. 3. a substance that undergoes a chemical reaction to produce a product
  2. 4. a combination of two or more substances that are not chemically combined such as saltwater or trail mix
  3. 8. something that can change or be changed in an experiment
  4. 12. the smallest unit of matter that still retains the properties of an element
  5. 13. not able to dissolve in a liquid, such as sand in water
  6. 14. the ability of a substance to catch fire easily and burn
  7. 15. a type of matter that has a uniform and definite composition, such as water or salt
  8. 18. change, a change in the physical state of matter, such as ice melting into water or water boiling into steam
  9. 19. system, a system that allows both matter and energy to move in and out.
  10. 20. a group of two or more atoms chemically bonded together, such as water being made up of two hydrogen atoms and one oxygen atom
Down
  1. 1. acid, a weak acid found in citrus fruits such as lemons and oranges, often used as a natural preservative in food and drinks
  2. 2. the amount of matter in a given space, often measured as mass per unit of volume
  3. 5. the ability of a substance to dissolve in a liquid, such as salt's high solubility in water
  4. 6. a substance produced during a chemical reaction
  5. 7. soda, a white, crystalline powder often used in baking as a leavening agent to help dough rise.
  6. 9. reaction, a process in which one or more substances are transformed into new substances with different properties
  7. 10. a characteristic or quality of something that helps identify or describe it
  8. 11. salt, a naturally occurring mineral compound of magnesium and sulfate, often used in baths to sooth sore muscles.
  9. 16. of matter, the physical form in which matter exists, such as solid, liquid, or gas
  10. 17. system, a system that does not let matter in or out, but energy (like heat or light) can still move in or out.