When you put salt in water, what you are essentially doing is separating the salt molecules (sodium chloride, NaCl) into two elements: chloride ions (Cl⁻)...
Atmospheric pressure is simply the weight of the air above your head. Yes, even if you don't feel it, air has its own weight and...
Refraction is simply the bending of light rays when they pass through different mediums, like when you look at a straw in a glass of...
Water molecules have polarity: that is, each molecule has a positively charged side (hydrogen) and a negatively charged side (oxygen). This polarity makes water molecules...
Normally, the winds blowing over the Pacific, called trade winds, push warm water westward, toward Asia and Australia, allowing cooler water to rise near the...
A snow crystal begins to form from a tiny speck of dust or a particle present in the clouds. This tiny impurity acts as a...
Refraction is when light changes direction when passing from one transparent medium to another, such as from air to water. This bending occurs because the...
Frog rains are generally caused by intense weather phenomena such as waterspouts or tornadoes. When these violent whirlwinds pass over bodies of water or marshy...
When you ascend in altitude, your point of view changes: you are much closer to the base of the clouds than in the plains. From...
Corals have specialized cells called cnidocytes that contain tiny structures known as nematocysts. When a coral feels threatened or disturbed, these tiny capsules literally explode, instantly releasing...
