1290 questions and answers in this section
Explain why it can snow even when it is warm?

Explain why it can snow even when it is warm?

The higher you go in altitude, the colder the air becomes. This can be simply explained by the gradual decrease in atmospheric pressure: as you...

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Explain why some fish can produce light in the depths of the ocean?

Explain why some fish can produce light in the depths of the ocean?

In the marine depths where sunlight does not penetrate, some fish use bioluminescence to attract prey, escape predators, or find a mate. For example, the...

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Explain why a hot object seems lighter than a cold object?

Explain why a hot object seems lighter than a cold object?

When an object heats up, its molecules begin to vibrate more, which often leads to expansion: the object increases in volume but retains the same...

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Explain why tornadoes often form after a period of intense heat.

Explain why tornadoes often form after a period of intense heat.

When it is very hot, the ground stores a lot of heat. It then heats the air at the surface, creating a layer of warm...

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Explain why kites fly higher in summer.

Explain why kites fly higher in summer.

In summer, the seasonal winds regularly become stronger and more stable due to the frequent presence of thermal breezes. The land, heated by the sun, quickly causes...

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Explain why some seismic phenomena are accompanied by strange lights, called earthquake lights.

Explain why some seismic phenomena are accompanied by strange lights, called "earthquake lights".

The telluric lights are strange, very brief luminous phenomena that sometimes appear before, during, or just after an earthquake. They take various forms: floating glowing...

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Explain why heat can make the air more humid?

Explain why heat can make the air more humid?

When it's hot, water molecules vibrate much faster. As a result, some of them gain enough energy to escape the liquid and become vapor. This...

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Explain why sequoias are the tallest trees in the world?

Explain why sequoias are the tallest trees in the world?

Sequoias thrive in mild and humid climates. They mainly grow along the Californian coasts where the sea air brings constant moisture through frequent fog. This...

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Can you explain why squirrels run around in circles before digging a hole?

Can you explain why squirrels run around in circles before digging a hole?

This behavior in squirrels is primarily related to their need to assess and secure a specific area before digging. They circle around to better inspect...

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Explain why shipwrecks attract marine life?

Explain why shipwrecks attract marine life?

When a ship sinks, its structure quickly forms a solid substrate ideal for the development of many marine species. Algae, corals, and sponges cling to...

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