| A | B |
|---|
| solar eclipse | passing of the moon between the earth and the sun, forming a shadow on the Sun |
| sedimentary rock | rock that forms from deposits of particles, often contains fossils |
| mantle | middle layer of the earth |
| magma | molten, or melted, rock inside the earth |
| lithosphere | solid part of the earth |
| atmosphere | the air that surrounds the earth |
| core | the center of the earth |
| crust | the outermost solid layer of the earth |
| front | boundary between two air masses with different temperatures or moisture |
| metamorphic rock | rock altered by pressure and heat |
| meteorology | study of weather |
| mineral | natural solid formed from elements and compounds in the erath's crust |
| equator | an imaginary line that cirlces the earth halway between the two poles |
| astronomy | the study of stars, planets and other objects in space. |
| climate | average weather conditions in an area over a long period of time |
| eathquake | sudden, strong movement of the earth's crust |
| eclipse | pasiing of one planetary body through teh shadow of another |
| erosion | process by which rock or soil is worn away and moved to another place |
| fault | break in the earth's crust along which movement occurs |
| fossil | remains or traces of an organism that lived in the past |
| geothermal energy | energy produced froom hot rocks deep inside the earth. |
| glacier | slow moving river of ice and snow |
| hydrosphere | part of the earth that is water |
| igneous rock | rock tha tforms from magma or molten rock beneath the earth's surface |
| orbit | closed, curved path of one object around anohter |
| tectonic plate | large chunks of the earth's crust that fit together like pieces of a jigsaw puzzle |
| revolution | one complete movement of a planet around the sun. |
| rotation | spinning of a planet on its axis |
| weathering | a process that breaks down rocks and minerals, can be caused by wind, wateror ice. |
