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Earth Science
Earth and It's Neighbors
| Word | Definition |
|---|---|
| solar system | The Sun and the objects that are traveling around it |
| planet | any of the nine large bodies that travel around the Sun and shine by reflecting its light |
| gravity | a force of attraction, or pull, between any objwect and any other ojects around it |
| inertia | the tendency of a moving object to keep moving in a straight line |
| lithosphere | the hard, outer layer of Earth, about 100 kilometers thick |
| crust | the rocy surface that makes up the top of the lithosphere |
| resource | any material that helps support life on earth |
| hydrosphere | Earth's water |