Solve these clues to fill the grid.
- The smallest component of an element having the chemical properties of the element
- 3 Across
- The act of making and recording a measurement
- 7 Across
- A collection of facts from which conclusions may be drawn
- 8 Across
- The act of conducting a controlled test or investigation
- 9 Across
- A substance formed by chemical union of two or more elements or ingredients in definite proportion
- 11 Across
- An individual living thing.
- 12 Across
- A car that is powered by ___
- 13 Across
- A flow of electricity through a conductor
- 14 Across
- An abstract part of something
- 15 Across
- A proposal intended to explain certain facts or observations
- 1 Down
- A system formed by the interaction of a community of organisms with their physical environment
- 2 Down
- That which has mass and occupies space
- 4 Down
- A visual representation of the relations between certain quantities, represented as points
- 5 Down
- The temporal end
- 6 Down
- The simplest structural unit of an element or compound
- 10 Down