Palmer 7th Science Semester Review

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Across
  1. 3. A group of atoms bonded together.
  2. 4. reaction Molecules that make up old substances can be broken apart and the atoms that make them up can be rearranged into new molecules to make new substances..
  3. 6. positively charged particle within an atom's nucleus
  4. 9. A statement that predicts the outcome of an experiment.
  5. 11. make unnaturally sensitive.
  6. 12. uncharged particle within an atom’s nucleus
  7. 13. The stored energy an object has.
  8. 16. The transfer of energy by electromagnetic waves.
  9. 17. Outside, releases heat energy, temperature increases
  10. 20. A material that conducts heat and electricity well
  11. 22. negatively charged particle located in the shells/electron cloud that surround the atom’s nucleus
  12. 26. Made of one type of material throughout.
  13. 29. The basic unit of a chemical element.
  14. 30. The part that is manipulated or changed in an experiment.
  15. 32. A material that does not conduct heat or electricity well
  16. 33. to take into the body.
Down
  1. 1. material that is too small to see & mixes with a liquid, it can dissolve in something else.
  2. 2. How a substance interacts with fire.
  3. 5. a push or a pull
  4. 7. The energy an object has due to its motion.
  5. 8. Heat transfer that occurs through liquids and gasses
  6. 10. A property of a liquid that describes how fast or slowly it will flow.
  7. 14. a place equipped for scientific experiments.
  8. 15. A characteristic of a substance that does not change.
  9. 18. smallest unit of an element
  10. 19. The ability to do work.
  11. 20. The transfer of heat through direct contact
  12. 21. substances you start with before a chemical reaction occurs.
  13. 23. An act of gathering information using one or more senses.
  14. 24. central part of the atom, composed of protons and neutrons, contains most of an atom’s mass
  15. 25. carry through the air.
  16. 27. Within, chemical reaction that absorbs energy, surrounding temps decrease
  17. 28. How much matter in a certain space.
  18. 31. new substances that are produced from a chemical reaction.