1290 questions and answers in this section
Explain why hot objects appear blurry through moving surfaces?

Explain why hot objects appear blurry through moving surfaces?

Light typically travels in a straight line, but when it passes from one medium to another different one (for example, from warm air to cold...

Read full answer

Explain why Newton's apple trees have such significance?

Explain why Newton's apple trees have such significance?

The story dates back to 1666, when Isaac Newton is said to have seen an apple fall from a tree in his family garden in...

Read full answer

Explain why warm air can hold more moisture than cold air?

Explain why warm air can hold more moisture than cold air?

When the air warms up, it becomes capable of holding more moisture. Why? Because warmer air provides water molecules with enough energy to more easily...

Read full answer

Explain why does chocolate melt in the mouth?

Explain why does chocolate melt in the mouth?

Chocolate is a rather unique solid, primarily composed of cocoa butter, which gives it that creamy texture. At ordinary room temperature, chocolate is usually hard...

Read full answer

Explain why deep sea fish produce their own light in the abyss?

Explain why deep sea fish produce their own light in the abyss?

In the completely dark abyssal depths, light becomes a vital tool for fish to ensure their survival. No sun here, it’s as dark as in...

Read full answer

Explain why trees communicate with each other through an underground network.

Explain why trees communicate with each other through an underground network.

Under our feet, trees form a true network of silent discussion, primarily thanks to symbiotic fungi called mycorrhizae. This system allows trees to exchange nutrients...

Read full answer

Explain why hot objects sometimes appear to shimmer?

Explain why hot objects sometimes appear to "shimmer"?

Everything around us is made up of molecules that are constantly moving due to heat. The hotter an object gets, the more its molecules become...

Read full answer

Explain why the wind can sometimes smell like rain?

Explain why the wind can sometimes smell like rain?

When it is going to rain, the wind can carry particular scents from afar. These aromas often come from plants, trees, and the soil itself. With the...

Read full answer

Explain why do mountains influence the formation of clouds?

Explain why do mountains influence the formation of clouds?

When a mass of humid air meets a mountain, it is forced to rise in altitude: this is called orographic lift. As it rises, the...

Read full answer

Explain why traffic lights are generally red, yellow, and green.

Explain why traffic lights are generally red, yellow, and green.

From the age of the first railway lines in the 19th century, English engineers were already using colored lights as signals. The red, a color...

Read full answer