Semester One Research

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Across
  1. 6. A factor that can change in an experiment
  2. 10. The energy an object has due to its motion
  3. 11. A force of attraction between atoms or a group of atoms due to the sharing or transferring of electrons
  4. 13. The distance an object travels plus the direction from the starting point
  5. 16. A physical measurement that contains only magnitude (#) and does not contain directional information
  6. 18. A well-tested description of a phenomenon in the natural world
  7. 25. The gathering of information using senses or with the aid of instruments
  8. 26. Subatomic particle with a neutral charge
  9. 28. A point against which motion is measured
  10. 30. The number of protons in an atom
  11. 31. A chemical reaction in which a compound breaks down into two or more simpler substances
  12. 32. the force of attraction between molecules of different substances so that they tend to stick together
  13. 34. The smallest unit of a chemical compound, composed of two or more atoms bonded together
  14. 35. Anything that has mass and takes up space (has volume)
Down
  1. 1. A possible, testable explanation for one or more observations or a suggested, testable answer to a question
  2. 2. A pure substance that contains two or more elements chemically joined in a fixed proportion
  3. 3. A physical measurement that contains both magnitude (#) and directional information
  4. 4. The force of attraction between molecules of the same substance so that they tend to stay together
  5. 5. A force that opposes motion, resulting when surfaces of objects rub against each other
  6. 7. Substances that undergo a chemical change
  7. 8. A push or pull that acts on an object
  8. 9. The ratio of a substance's mass to its volume
  9. 11. The energy stored in chemical bonds
  10. 12. A chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  11. 14. The change in an object's velocity over time
  12. 15. The sum of the protons and neutrons in the nucleus of an atom
  13. 17. A logical conclusion drawn from observations, previous knowledge, and available information
  14. 19. A pure substance that cannot be broken down into a smaller substance and contains only one type of atom
  15. 20. Subatomic particle with a positive charge
  16. 21. The tendency of an object to resist changes in its velocity
  17. 22. Compounds made of only two elements
  18. 23. A well-tested explanation of a phenomenon in the natural world
  19. 24. An atom or a group of atoms that has a positive or negative charge
  20. 27. The smallest chemical unit of an element
  21. 29. New substances formed as a result of a chemical change
  22. 33. Subatomic particle with a negative charge