Earth and Life Science

1. The only planet in the solar system that can support life.
5. The outer portion or the outermost layer of the Earth.
7. Hot molten materials that come out of volcanoes.
8. A depression in the seafloor produced by subduction process.
10. The thickest layer of the Earth.
13. The variety of life forms in a particular ecosystem.
16. The boundary that separates the crust and the mantle.
17. Species change over time.
19. The smallest but most violent of all weather disturbances that occur on Earth. Sometimes they called a twister.
22. The vibration of Earth due to the rapid release of energy.
23. A scientist who studies the size, shape, composition and makeup of objects in the universe.
24. One of the galaxies in the huge universe.
25. The science that studies Earth.
26. A group of organisms that have certain characteristics in common and are able to interbreed.
28. The second biggest planet in the solar system.
30. The transport of rock particles and soil from where they were formed to another place.
31. A break in a rock along which movement has occured.

2. An ability of an organism to adjust and thrive in a given environment.
3. It is named after the Roman God if War and it is called Red planet because of its iron or rust contents.
4. The ability of an ecosystem to be self-regulating and again become steady after a disturbance.
6. The movement of the Sun and planets on their axes.
9. An imagined group of stars that form pictures of animals, object and people.
11. It regarded as the Earth's twin planet.
12. The gas and aerosol envelope that extends from the ocean, land, and ice-covered surface of a planet outward into space.
14. An imaginary direction of the planet or body as it revolves around another body.
15. The outermost layer of the Sun and it's called the Sun's crown.
18. A natural opening in the surface of the Earth where molten rocks, hot gases, smoked and ash are ejected.
20. The movement of planets around the sun in their orbit.
21. A community of organism that live feed and interact with the environment.
27. A shadow cast in space.
29. Another spectacular group of objects in the solar system and it is seen every 75 years.