science

Across

1. anareawithrelativelyhotareas
3. platesmovingslowly
7. upperlayerofearthsmantle
9. mountainsconnectednyhighergrounds
10. downwardmovementoftheearthscrust
11. a long narrow ditch
12. whenallcontinentswerejoined

Down

2. whenonethingrunsordividedacross
4. thesurfacedirectlyaboveearthquakes
5. thicklayerofearthscrust
6. thewaveproducedbyearthquakes
8. therigidouterpartoftheearth