Franklyn Mansfield Branley
13) Tornado alert
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Description
Describes the origin and nature of tornadoes and how to stay safe when threatened by one of these dangerous storms.
15) Shooting stars
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Explains what shooting stars are, what they are made of, and what happens to them when they land on Earth.
16) Volcanoes
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Explains how volcanoes are formed and how they affect the earth when they erupt.
17) Earthquakes
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Discusses why earthquakes happen, what their sometimes devastating effects can be, where the danger zones are, and what measures people can take to safeguard themselves.