Solve these clues to fill the grid.
- Substance used in or made by chemistry (plural)
- 2 Across
- Usually freshly squeezed ___ of ___
- 6 Across
- Any of various water-soluble compounds having a sour taste and capable of turning litmus red
- 7 Across
- Bottom part something stands on; a safe spot in baseball
- 8 Across
- The act of conducting a controlled test or investigation (plural)
- 9 Across
- A visual attribute of things that results from the light they emit or transmit or reflect (plural)
- 11 Across
- The logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter
- 1 Down
- Unsized ___ treated with ___ for use as an acid-base indicator
- 3 Down
- A number or ratio derived from a series of observed facts
- 4 Down
- The science of matter
- 5 Down
- Round red or green fruit that grows on trees
- 10 Down