Across
- 4. a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
- 6. reaching a high or the highest degree; very great.
- 7. constituting number eight in a sequence; 8th.
- 8. as much or as many as required.
Down
- 1. a group or unit of eight people or things.
- 2. activity requiring physical effort, carried out to sustain or improve health and fitness.
- 3. practical contact with and observation of facts or events.
- 5. the planet on which we live; the world.