Tributary. (Special to The Denver Post)

1. Which is the term for an area of fractured rock where movement can trigger an earthquake — valley or fault?

2. Which is the term for a stream that feeds into a larger stream — tributary or delta?

3. Which is the term for the average weather conditions for a location over time — condensation or climate?

4. Which kind of scientist studies earthquakes — seismologist or meteorologist?

5. Which land feature is characterized by steep, rocky walls — gorge or foothill?

6. Which is the term for the solid rock that lies under a layer of soil, sand, or other — aquifer or bedrock?

7. During which event is the sun directly overhead at noon at the Equator — equinox or eclipse?

8. Which is the term for the amount of water-vapor content in the air — precipitation or humidity?

9. Which is the term for a wet area with a ground cover of partially decayed plant matter called peat — basin or bog?

10. Which landform extends from the shoreline to a steep slope that drops off toward the ocean floor — continental shelf or continental divide?

National Geographic Bee, National Geographic Society

GEOQUIZ ANSWERS: 1. fault 2. tributary 3. climate 4. seismologist 5. gorge 6. bedrock 7. equinox 8. humidity 9. bog 10. continental shelf