Catastrophic Events

The arrows represent  air rising from the ocean to the atmosphere Rising warm air leads to the formation of

• Tsunamis
• High Tides
• Hurricanes
• Density Currents

How does the convection of air produce thunderstorms?

• by causing warm air to sink and cold air to rise
• by causing warm air to rise and cold air to sink
• by causing both warm air and cold air to rise
• by causing both warm air and cold air to sink

Which is not an impact to the ecosystem after a drought?

• Water is scarce and causes organisms to find new sources of water elsewhere.
• Floods will wipe out all the vegetation
• Herbivores will have to leave and find food elsewhere

Which of these is not an impact to the ecosystem after a hurricane?

• Fires throughout the area
• Poor water quality in the area
• Erosion of beaches
• Massive flooding

A recent flood in the area has caused many short term changes to the ecosystem. Which is a long term change?

• Standing water in the streets and sewers
• Temporary displacement of organisms
• Permanent change in the landscape
• Poor water quality in rivers and streams

Which is the best synonym for catastrophic?

• Advantageous
• Successful
• Disaster
• Fortunate

Lava or ash spewing from a mountain vent.

• Earthquake
• Flood
• Drought
• Volcano

Caused by an unusually large amount of water for an area

• Earthquake
• Flood
• Drought
• Volcano

A sudden shift in the earth's crust

• Earthquake
• Flood
• Drought
• Volcano

A long period with no rain

• Earthquake
• Flood
• Drought
• Volcano