Word Wall Words #3 2025-26

2. A long chain of molecules made up of repeating units.
3. The measurement of how much mass of a substance is contained in a given volume.
7. Created or manufactured by humans; not found occuring in nature.
8. The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
12. A substance made of two or more different elements chemically combined in a specific ratio or proportion.
13. Explain or make (something) clear by using examples, charts, pictures, etc.
15. The capacity to create and maintain healthy, equitable and diverse communities and ecosystems.
16. The combination of parts or elements so as to make a whole.
19. A chemical bond formed when two atoms share electrons to form a chemical bond.
23. Substance that is released or discharged into the air.
24. The relatively thin layer of gases that form Earth's outermost layer.
26. The electrons that are in the highest energy level of an atom and that are involved in chemical bonding.
28. A reaction that releases energy, usually in the form of heat.
29. The preservation of a physical quantity during transformations or reactions; a careful preservation and protection of something.

1. The average annual conditions of temperature, precipitation, winds, and clouds in an area.
4. The surroundings or conditions in which a person, animal, or plant lives or operates.
5. The universal measuring system based on units of tens.
6. A substance formed as a result of a chemical reaction.
9. A measure of how much matter is in an object.
10. non-living things
11. A pure substance that cannot be broken down into other substances by chemical or physical means.
14. Differences in the living things of an environment.
16. To state or express the most important points of something in a concise and clear way.
17. The attraction between ions with opposite charges. The atoms gain or lose electrons to form a chemical bond.
18. The amount of space that matter occupies.
20. The use of symbols to represent ideas or qualities.
21. The preservation of a physical quantity during transformations or reactions; a careful preservation and protection of something.
22. A neutral group of two or more atoms held together by covalent bonds.
25. Fairness or justice in the way people are treated.
27. A reaction that absorbs energy.