The wind mainly comes from the difference in temperatures at the Earth's surface. When the sun heats the air, it becomes lighter, rises, and creates...
Soap is made primarily from animal fats or vegetable oils, which are reacted with an alkaline base (such as soda or potash) through a process...
To put it simply, the ocean is a massive reservoir of moisture, and it is precisely this moisture that fuels tropical storms. In warm weather, water easily...
Every night, the apparent shape of the Moon changes due to its movement around the Earth and the way it reflects sunlight. The Moon does...
Snow is made up of a multitude of small ice crystals. These crystals have a specific geometric shape, often in hexagon, with six symmetrical branches...
Very hot lava starts with a white or bright yellow color, as its temperature often exceeds 1000 to 1200°C. At these high temperatures, the molten...
Bleach is mainly composed of sodium hypochlorite (NaClO) dissolved in water, and it is responsible for its bleaching and disinfecting properties. It also contains sodium...
When temperatures remain very low for a long time, the flowing water begins to gradually lose its heat, cools down, and eventually freezes at the...
Temperature directly affects the speed of sound in air: the warmer it is, the faster the air molecules move, facilitating the transport of sound vibrations. The result?...
The water molecule (H₂O) is made up of one oxygen atom and two hydrogen atoms, with a shape somewhat like a "V". This gives the...
