1) Which of these may cause landslides? a) Heavy rain b) wind c) lightning 2) Which of these activities may cause landslides? a) littering b) cutting down trees c) polluting the air 3) What scale is used for measuring earthquakes? a) fahrenheit scale b) Celsius c) Richter scale 4) What natural disaster can an earthquake cause? a) flood b) landslide c) tornado 5) What do tornadoes form from? a) an earthquake b) flood c) thunderstorm 6) Where do tornadoes mostly happen? a) in the USA b) in the UK c) in Viet Nam 7) Which is the safest material to use if engineering a house near a volcano? a) foam b) wood c) metal d) stone 8) What do the lines on this map represent? a) volcanoes b) earthquakes c) plate boundaries d) travep routes 9) Which natural disaster is a violent rotating column of air extending from a thunderstorm to the ground? a) drought b) tornado c) earthquake d) hurricance 10) If a natural disaster hit your town, what would you do? a) answer yourselves b) Tự luận nhé=)

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