Word Wall Words #3

12345678910111213141516171819202122232425262728293031
Across
  1. 3. A substance made of two or more different elements chemically combined in a specific ratio or proportion.
  2. 5. A mixture that features distinct components that can be easily seen and sorted.
  3. 6. A reaction that absorbs energy.
  4. 13. Non-living things
  5. 15. The attraction between ions with opposite charges. The atoms gain or lose electrons to form a chemical bond.
  6. 16. The practice of using less of a resource so that it can last longer.
  7. 18. A pure substance that cannot be broken down into other substances by chemical or physical means.
  8. 21. Next to or near something
  9. 22. A mixture that often looks the same throughout the entire mixture.
  10. 24. The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
  11. 26. The variable that changes as a result of the independent variable manipulation.
  12. 28. The average annual conditions of temperature, precipitation, winds, and clouds in an area.
  13. 29. To tell by saying or writing how something looks, smells, sounds, feels, or tastes like
  14. 30. The measurement of how much mass of a substance is contained in a given volume.
  15. 31. A reaction that releases energy, usually in the form of heat.
Down
  1. 1. The capacity to create and maintain healthy, equitable, and diverse communities and ecosystems.
  2. 2. A measure of how much matter is in an object.
  3. 4. To suggest a conclusion by looking at information
  4. 7. Substance that is released or discharged into the air.
  5. 8. The universal measuring system based on units of tens.
  6. 9. Able to be changed or adapted.
  7. 10. A chemical bond formed when two atoms share electrons to form a chemical bond.
  8. 11. A substance formed as a result of a chemical reaction.
  9. 12. The variable you manipulate or vary in an experimental study to explore its effects.
  10. 14. A mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance dissolves another.
  11. 17. The use of symbols to represent ideas or qualities.
  12. 19. The amount of space that matter occupies.
  13. 20. The electrons that are in the highest energy level of an atom and that are involved in chemical bonding.
  14. 23. A neutral group of two or more atoms held together by covalent bonds.
  15. 25. A simplified representation of a system or phenomenon used to describe the system or explain the phenomenon.
  16. 27. Differences in the living things of an environment.