DYNAMIC EARTH

2. An ancient supercontinent that comprised of present-day South America, Africa, Madagascar, India, Australia, and Antarctica.
3. The innermost part. It is primarily a solid ball which is mainly composed of iron and nickel.
4. A scale is used to rate the size (magnitude) of an earthquake.
7. When lava and gas are released from a volcano – sometimes explosively.
8. A large wave on the ocean, usually caused by an undersea earthquake, a volcanic eruption, or coastal landslide.
10. A ridge or fold of stratified rock in which the rock layers slope upwards from the trough (bottom).
14. Places where the plates are moving together.
15. ancient land mass when all the continents were joined.
16. A sudden violent shaking of the ground, because of movements within the earth's crust or volcanic action.
17. A fluid layer composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle.
19. Molten or semi molten rocks and other materials found beneath the surface of the Earth.
20. A ridge or fold of stratified rock in which the rock layers slope downwards from the crest.
24. An instrument used to detect and record seismic (earthquake) waves.
25. The gaseous layer surrounding the earth; the air.
26. The point on the earth's surface vertically above the focus of an earthquake.

1. Circular movement that occurs when warmer, less dense fluid particles rise and cooler, less dense fluid particles sink.
5. The layer between the crust and the outer core. It is is a semi liquid-rocky shell.
6. A crack in the Earth's crust.
9. The rigid outer part of the earth, consisting of the crust and upper mantle
11. A mixture of molten rock and gases that has reached the Earth’s surface from a volcano
12. where plates are coming apart.
13. Places where the plates are sliding past each other.
14. The movement of the Earth's continents relative to each other, thus appearing to "drift" across the ocean bed.
16. The process of moving weathered rock or soil from one place to another
18. Pieces of Earth's crust and uppermost mantle ( lithosphere) which fit together like pieces of a jigsaw
21. The outermost layer of the solid earth. It is composed of a great variety of igneous, metamorphic, and sedimentary rocks.
22. All the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
23. The layer of the planet Earth where life exists. It consists of all ecosystems and the life in each.