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Science Final Exam
| Term | Definition |
|---|---|
| What is the Nucleus? | Protons (positive) + neutrons (neutral). Atomic mass is the number of protons plus neutrons. |
| What is Electrons? | (Negative) move around the nucleus. |
| What are the layers of the earth in order from thickest to thinnest? | Thick to thin: Mantle, Outer Core, Inner Core, and Crust. |
| What are the layers of the earth in order from outside to inside? | Outside to inside: Crust, Mantle, Outer Core, and Inner Core. |
| What is the composition of the crust? (what is it made out of?) | Crust: earth's surface and continental/oceanic plates. Where we live. |
| What is the composition of the mantle? (what is it made out of?) | Mantle: molten rock. |
| What is the composition of the outer core? (what is it made out of?) | Outer Core: liquid, nickel, and iron. |
| What is the composition of the inner core? (what is made out of?) | Inner Core: solid, nickel, and iron. |
| How do geologists know about the Earths interior? | Geologists know about the Earth's interior because of seismic waves. |
| What is Chemical Weathering? And an example of it? | Chemical Weathering: chemically breaks down/ changes substances. Example: acidic water dissolving rock. |
| What is Mechanical Weathering? And an example of it? | Mechanical Weathering: physical break down. Examples: roots breaking rock, and water freezing and expanding to break rocks. |
| What is Erosion? And an example of it? | Transport of weathered material. Examples: carving a canyon by running water, formation of underground caverns by water, and landslides. |
Created by:
briannaq13
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