Earth's history crossword

1. Hazard - A natural hazard, such as an earthquake, that cannot be accurately predicted.
3. - Water stored in underground rock pores and aquifers.
5. - A biological community of interacting organisms and their physical environment.
8. Boundary - A plate boundary where two plates slide past each other, often causing earthquakes.
10. - The breaking down of rocks and minerals on Earth’s surface due to exposure to weather conditions.
12. Tectonics - A scientific theory explaining the movement of Earth’s lithosphere, which forms continents, mountains, and ocean ridges.
14. Construction - Building techniques designed to minimize damage from wildfires.
16. Eruption - The release of magma, gas, and ash from a volcano, often occurring at tectonic plate boundaries.
20. - The process by which weathered material is transported by wind, water, or ice.
23. Boundary - A plate boundary where two plates move apart, forming mid-ocean ridges or rift valleys.
24. Hazard - A natural hazard, such as a volcanic eruption, that can be monitored and forecasted.
25. Valley - A lowland region formed by the divergence of tectonic plates.
26. - The layer of Earth beneath the crust, where convection currents occur.
27. - The rigid outer layer of Earth, consisting of the crust and upper mantle.
28. Distribution - The spread of fossils across continents, providing evidence for plate tectonics and continental drift.

2. Drift - The theory that continents have moved over geological time to their current locations.
4. Boundary - A plate boundary where two plates collide, often forming mountains or causing subduction.
6. Water - Water on the surface of the Earth, such as rivers, lakes, and oceans.
7. - The process by which one tectonic plate moves under another, often at a convergent boundary.
8. - A large ocean wave caused by underwater earthquakes or volcanic eruptions.
9. Activity - Movements in the Earth's crust that often indicate potential earthquakes or volcanic activity.
11. - The process by which surface water seeps into the ground to replenish groundwater.
13. - A structure built to prevent flooding by holding back water.
15. - A sudden and violent shaking of the ground, often caused by movement along a fault line.
17. - A body of permeable rock that can contain or transmit groundwater.
18. - Earth’s outermost layer, composed of rock.
19. Currents - Circular movements of fluid caused by the heat from Earth’s core, driving plate tectonics.
21. Spreading - The formation of new oceanic crust at mid-ocean ridges as plates move apart.
22. Hazard - A natural event such as an earthquake, volcanic eruption, or severe weather that poses risks to humans and the environment.
26. Ocean Ridge - An underwater mountain range formed by divergent plate boundaries and sea-floor spreading.