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  2. Exploding tree - Wikipedia

    en.wikipedia.org/wiki/Exploding_tree

    Cold weather will cause some trees to shatter by freezing the sap, because it contains water, which expands as it freezes, creating a sound like a gunshot. [ 1 ] [ 2 ] The sound is produced as the tree bark splits, with the wood contracting as the sap expands.

  3. Hura crepitans - Wikipedia

    en.wikipedia.org/wiki/Hura_crepitans

    Hura crepitans, the sandbox tree, [2] also known as possumwood, monkey no-climb, assacu (from Tupi asaku) and jabillo, [3] is an evergreen tree in the family Euphorbiaceae, native to tropical regions of North and South America including the Amazon rainforest. It is also present in parts of Tanzania, where it is considered an invasive species. [4]

  4. Frost crack - Wikipedia

    en.wikipedia.org/wiki/Frost_crack

    Frost crack or Southwest canker [1] is a form of tree bark damage sometimes found on thin barked trees, visible as vertical fractures on the southerly facing surfaces of tree trunks. Frost crack is distinct from sun scald and sun crack and physically differs from normal rough-bark characteristics as seen in mature oaks , pines , poplars and ...

  5. Why does a tree explode after a lightning strike? - AOL

    www.aol.com/news/2015-04-02-why-does-a-tree...

    When a bolt strikes a tree it super-heats the sap throughout the tree and water in the sap turns to steam. "This happens in a split second," says Q13 FOX News Metoerologist M.J. McDermott.

  6. Why does a tree explode after a lightning strike? - AOL

    www.aol.com/article/2015/04/02/why-does-a-tree...

    SEATTLE -- A lightning bolt struck a giant tree in Seattle's Washington Park Arboretum Tuesday afternoon and the entire thing exploded. The bark of the tree was literally blow in all directions.

  7. If a tree falls in a forest and no one is around to hear it ...

    en.wikipedia.org/wiki/If_a_tree_falls_in_a_forest...

    The definition of sound, simplified, is a hearable noise. The tree will make a sound, even if nobody heard it, simply because it could have been heard. The answer to this question depends on the definition of sound. We can define sound as our perception of air vibrations. Therefore, sound does not exist if we do not hear it.

  8. Geyser - Wikipedia

    en.wikipedia.org/wiki/Geyser

    The pressurized water boils, and this causes the geyser effect of hot water and steam spraying out of the geyser's surface vent. A geyser's eruptive activity may change or cease due to ongoing deposition of minerals within their plumbing, exchange of functions with nearby hot springs , earthquake influences, and human intervention. [ 3 ]

  9. Adansonia - Wikipedia

    en.wikipedia.org/wiki/Adansonia

    Adansonia is a genus made up of eight species of medium-to-large deciduous trees known as baobabs (/ ˈ b aʊ b æ b / or / ˈ b eɪ oʊ b æ b /) or adansonias.They are placed in the family Malvaceae, subfamily Bombacoideae.