Across
- 8. the layer of the Earth that's made of molten iron and nickel
- 9. The theory that continents have moved over geological time from a single supercontinent (Pangaea) to their current positions.
- 11. the layer of the Earth that's made of solid rock
- 12. A sudden release of energy in the Earth's crust that creates seismic waves, often resulting in ground shaking. Earthquakes can be caused by tectonic movements, volcanic activity, or human activities.
- 13. one of the natural sources of sulfur dioxide
- 14. The main reason for tides occurring in Earth's oceans is the force of gravity due to
- 15. A German geophysicist and meteorologist who proposed the theory of continental drift in the early 20th century.
- 17. The highest level that the ocean reaches on the shore during the tidal cycle.
- 19. the layer of the Earth that's made of molten rock
Down
- 1. Mountains that are formed primarily by the folding of the Earth's crust due to tectonic
- 2. An opening in the Earth's surface through which molten rock, gases, and ash can escape.
- 3. occurs when the Earth passes between the sun and the moon, causing the Earth's shadow to cover the moon.
- 4. the layer of the Earth that's made of solid iron and nickel
- 5. The edges where two tectonic plates meet.
- 6. occurs when the moon passes between the Earth and the sun, blocking all or part of the sun's light from reaching the Earth.
- 7. The Solar System (and the Sun) is thought to have formed from
- 10. a large area of the Earth’s crust that floats on the mantle
- 16. a stage of the water cycle can cause damage to the environment if the water contains acid
- 18. The lowest level that the ocean reaches on the shore during the tidal cycle.
