Science vocab

7. The outermost layer of Earth’s lithosphere that is found under the oceans and formed at spreading centers on oceanic ridges, which occur at divergent plate boundaries.
8. An underwater mountain range, formed by plate tectonics.
9. A longitudinal earthquake wave that travels through the interior of the earth and is usually the first conspicuous wave to be recorded by a seismograph
10. The uniform microwave radiation remaining from the Big Bang.
11. A fixed luminous point in the night sky that is a large, remote, incandescent body like the sun
12. Formed by the gravitational collapse of a star exploding as a supernova, whose gravitational field is so intense that no electromagnetic radiation can escape
13. A star in an intermediate stage of evolution, characterized by a large volume, low surface temperature

1. A transverse earthquake wave that travels through the interior of the earth and is usually the second conspicuous wave to reach a seismograph
2. A theory that deduces a cataclysmic birth of the universe from the observed expansion of the universe, cosmic background radiation, abundance of the elements, and the laws of physics
3. Hypothetical landmass that existed when all continents were joined, from about 300 to 200 million years ago
4. A wave of energy that is generated by an earthquake or other earth vibration and that travels within the earth or along its surface
5. The lateral movement of continents resulting from the motion of crustal plates
6. A star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of it's mass
9. Theory that Earth's outer shell is divided into several plates that glide over the mantle, the plates act like a hard and rigid shell compared to Earth's mantle.
14. An attracting force