Tornado, Hurricane
What is a tornado?
Spinning wind, a rotating column of air
Name two causes of floods.
Heavy rain, storms, river overflowing
What should people do during an earthquake at home?
Drop to the floor, cover under furniture, hold on, and stay away from windows and heavy objects.
Avalanche = snow, Landslide = rocks and soil
Name one cause of wildfires
Human activity, lightning
Where do hurricanes form?
Over the ocean
What is the difference between a flood and a tsunami?
Flood = too much water from rain/rivers, Tsunami = big sea wave
Name two natural disasters that an earthquake can cause.
Tsunamis, Landslides
What can trigger an avalanche?
Loud noise, movement, or weather
What is the difference between magma and lava?
Magma is underground; lava is above ground
What is the calm centre of a hurricane called?
The eye
What natural warning sign can happen before a tsunami?
The sea suddenly goes back (water disappears)
What causes most earthquakes?
The movement of tectonic plates
Name one human activity that increases landslide risk.
Cutting down trees, mining, or building on slopes
What do we call it when a big volcanic eruption cools the Earth for months or years?
Volcanic winter
How many categories of hurricanes do we have?
5
What is the country with the highest frequency of tsunamis?
Japan
What scale measures the strength of an earthquake?
The Richter scale
In a landslide or avalanche, what do we call the rocks, mud, snow, and broken materials that move down the slope?
debris
Near which ocean are most of the world’s volcanoes found?
Pacific, Pacific Ring of Fire
What is the country with the greatest overall number of tornadoes
United States, Tornado Alley (1000 each year)
How tall was the biggest tsunami wave ever recorded? (+-50m)
524m
Which country experiences thousands of earthquakes every year?
Japan
What was White Friday?
An event during WW II., when heavy snow in the Alps triggered massive avalanches that killed thousands of soldiers.
Name one famous volcano.