157 questions and answers in this section

Natural Sciences » Physics

Explain why our voices change when we swallow an ice cube?

Explain why our voices change when we swallow an ice cube?

When you swallow an ice cube, the cold touches the throat and cools the vocal cords. These vocal cords, which are actually two folds of...

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Explain why a mirror flips the image horizontally but not vertically?

Explain why a mirror flips the image horizontally but not vertically?

When you observe your reflection in the mirror, you are actually seeing the light that bounces off the surface. A flat mirror reflects light rays...

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Explain why butterflies are attracted to the bright colors of flowers?

Explain why butterflies are attracted to the bright colors of flowers?

Butterflies have a highly developed vision capable of detecting colors that we, humans, cannot always perceive well. They see particularly well in the ultraviolet spectrum, a range...

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Explain why objects appear lighter in water than in air?

Explain why objects appear lighter in water than in air?

When you immerse an object in a liquid, it experiences an upward force called buoyancy. Essentially, this means that a submerged object appears lighter because...

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Explain why steel can be both strong and flexible.

Explain why steel can be both strong and flexible.

Steel is mainly iron with a small amount of carbon mixed in. These atoms are stacked regularly, like marbles neatly arranged in a box. This...

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Explain why honey never spoils?

Explain why honey never spoils?

Honey has a truly surprising chemical combination that naturally prevents its degradation. First, it is primarily composed of simple sugars such as fructose and glucose, which are...

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Explain why lemons float in water?

Explain why lemons float in water?

Density corresponds to the mass of an object in relation to its volume. If an object is less dense than water, it floats; if it...

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Explain why some crystals can amplify electrical signals?

Explain why some crystals can amplify electrical signals?

Crystals naturally exhibit some pretty cool electrical characteristics, particularly due to their organized atomic structure. In simple terms, their atoms are nicely arranged in regular...

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Explain why magnets lose their magnetism at high temperatures.

Explain why magnets lose their magnetism at high temperatures.

A magnetic material is made up of small groups called magnetic domains, each acting like a mini-magnet with a specific orientation. When all the domains...

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Explain why does a ball bounce higher on a hard surface than on a soft surface?

Explain why does a ball bounce higher on a hard surface than on a soft surface?

When a ball hits a hard surface, it bounces more because almost all the energy is directly returned to the ball, with less loss. In...

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