STARBASE #7 (day 4)

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Across
  1. 5. in graphing, it refers to the general direction in which a line points. It is usually referenced as upward or downward.
  2. 7. A chemical reaction in which energy is released in the form of heat.
  3. 8. The scale named after Swedish astronomer Anders Celsius, according to which the temperature difference between the reference temperatures of freezing (0˚) and boiling points (100˚) of water are divided into 100 degrees.
  4. 10. A change resulting from a chemical reaction in which bonds are broken and new bonds are formed between different atoms in a substance.
Down
  1. 1. The characteristics of a substance that can change without involving a change in chemical composition.
  2. 2. A change in physical properties that does not affect the chemical nature of a substance. Examples include changes in texture, shape, size, color, odor, volume, mass, weight, and density.
  3. 3. A reaction in which light is emitted but no heat is emitted.
  4. 4. A chemical reaction that absorbs energy in the form of heat.
  5. 6. A shorthand way to write numbers that are either very large or very small by using powers of ten.
  6. 9. Shows how many times to multiply the number by itself, used in scientific notation.