Math State Testing Week 6th

1. the structures inside a cell that do certain tasks
3. measures the concentration of hydrogen ions in a substance
5. the order in which things appear or happen
10. gases that contribute to the heating of Earth’s surface
11. Another name for basic; substances that measure above 7
12. tiny packets of electromagnetic radiation or energy
14. neither an acid nor a base
16. change from a gas into a liquid
17. energy moving from one area to another; it always moves toward the area with less thermal energy
19. a soft, flexible layer; a cell membrane allows some fluids and solids to pass through it
20. done without wasted effort or expense
22. a chemical that changes color when it comes in contact with an acid or a base
23. the amount of something in a substance
24. squeeze together or become smaller
25. developed or changed over time
26. small, individual pieces of matter that contain two or more atoms
27. a bitter substance that has a pH of greater than 7
28. the entire genetic sequence contained in a cell’s DNA and chromosomes; the word is a combination of gene and chromosome
29. uses photons to create electricity

2. the organelle that is in charge of reproduction and makes proteins
4. solid elements that aren’t great conductors, but which can be altered by human beings to perform specific electrical tasks, especially in computers; silicon is the most commonly used semiconductor
6. the building blocks of life
7. deoxyribonucleic acid
8. a sour substance that has a pH of less than 7
9. having one particular task or purpose
12. devices that contain special chemical elements and compounds called semiconductor
13. the amount of moisture in the air
15. the stretches of DNA molecules that carry the code for proteins. These determine the characteristics or traits a plant, animal, or human being will have
18. twisted or bent out of shape
21. a rotating engine that works when a gas or liquid flows through it
23. the long molecules of DNA; human beings have 23 pairs of chromosomes