| A | B |
|---|
| Geology | Study of Earth's surface and interior |
| Geologists | study origin, history and structure of Earth |
| Astronomy | Study of the universe, or space |
| Meterology | Study of Earth's atmosphere |
| Meterologists | Weather forecaster |
| Lithosphere | Solid and uppermost portion of the Earth's mantle |
| Asthenosphere | Molsten, plasticlike, flowing layer located below solid part of Eath's mantle |
| What the continental crust is made of | Granite |
| What the oceanic crust is made of | basalt |
| Hydrosphere | Earth's oceans, seas, lakes, rivers, glaciers |
| Bisophere | All organisms on Earth as well as environment |
| Meter | Standard SI unit to measure length |
| Weight | Measure of gravitational force of an object, varies with location |
| Mass | amount of matter in an object, depends on number and kinds of atoms |
