Across
- 4. Events, civilizations, cultures, revolutions, wars, societies.
- 6. Maps, continents, countries, climate, regions, population.
Down
- 1. Number, calculation, multiplication, division, measurement, pattern.
- 2. Words, grammar, vocabulary, communication, writing, reading, speaking, listening, literature.
- 3. Cells, organisms, evolution, ecology, animals, plants, biodiversity.
- 5. Experiment, observation, theory, analysis, laboratory.
- 7. Drawing, painting, music, theater, dance.