6 grade Semester Exams Bodhi.E.Bartels

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Across
  1. 3. atoms of a specific element.
  2. 4. the transfer of heat from one substance to another through direct contact.
  3. 6. energy energy of moving electrons or electric charges.
  4. 9. a chemical reaction has occurred if any of the following take place:unexpected temperature change,unexpected color change.
  5. 11. a measure of an object's thermal energy.
  6. 12. change the type of change that results in the formation of new chemical substances.
  7. 14. formula a shorthand representation of an element or compound using chemical symbols.
  8. 16. transformation the change in energy from one form into another.
  9. 17. energy energy that travels in waves.
Down
  1. 1. a mixture of gases that surround the Earth.
  2. 2. the number written after an element's symbol in a chemical formula that indicates the number
  3. 5. energy energy locked in the nucleus of an atom.
  4. 7. Reaction a chemical change that occurs when two or more chemical substances combine to form a new substance.
  5. 8. a pure substance that can't be broke down chemically.
  6. 10. Change type
  7. 13. a substance that consists of 2 or more elements,combined in a set ratio.
  8. 15. energy energy stored in the of molecules.
  9. 18. the form of energy associated with the movement of atoms and molecules in a material.