1. 7.8A Catastrophic Events
Vocabulary List #8

2. Warm Up
Match the words lettered A – E with the correct description or definition in Nos. 1 – 5
A- Condensation B. Evaporation C. Volcanic Eruption D. Earthquake E. Hurricane
1. Sun shines on water, Water is heated, Water turns into vapor, and vapor enters the air
2. Water vapor cools, Condenses into droplets, Droplets create clouds
3. A disaster based on wind speed using different scales causing a lot of damage over a large area.
4. Short periods of mild to intense shaking of ground
5. Openings of the Earth’s crust where magma escapes

3. Drought
An unusually long period of dry weather that lasts long enough to cause supply shortages

4. Hurricane
a huge storm! It can be up to 600 miles across and have strong winds spiraling inward and upward at speeds of 75 to 200 mph.
Hurricanes only form over really warm ocean water of 26°C or warmer.

5. Earthquake
Vibration of Earth’s surface that occurs after a release of energy in the Earth’s crust

6. Tsunami
An unusually large sea wave produced by a seaquake or undersea volcanic eruption

7. Volcano
A mountain that forms when molten rock, called magma, is forced to Earth’s surface. Covered in ash. New soil will need to be created which leads to reduction in plants and animals

8. Wildfire
Any fire that spreads uncontrollably and is hard to extinguish.

9. Heat Transfers
Radiation: complete process in which energy is emitted by one body, transmitted through an intervening medium or space, & absorbed by another body.
Conduction: heat from one object to another caused by temperature difference
Convection: heat from one place to another by the movement of fluids

10. Vocabulary Game
eleratelearning.c om/scopes/139 /elements/7538

11. Population
Two or more of the same species.

12. Species
A type of organism.

13. Asteroid
Numerous small celestial bodies that revolve around the sun.

14. Salinity
The amount of dissolved salt in a body of water.

15. Storm Surge
An abnormal rise of the sea along a shore, caused primarily by the winds of a storm.