Rain forests are very dense, relatively warm, wet forests. They are havens for millions of plants and animals. A fores…
The smaller shadow will be in Colombo since it is closer to the equator than Kashmir. The shadow will be the smallest …
Since its orbit is inside Earth’s orbit, the angle between the Sun and Venus is always less than 90°. So, if Venus is …
The plane of the Moon’s orbit around the Earth is at an angle with respect to the plane of the Earth’s orbit around the…
A sundial is basically a simple clock, where a stick is fixed on a flat surface. The surface is marked such that the s…
The ozone layer essentially allows life to exist, by screens all living beings on Earth from the harmful ultraviolet (…
The ozone layer is a portion of the earth’s atmosphere that contains high levels of ozone. The atmosphere is divided i…
Starch and cellulose are two very similar polymers. In fact, they are both made from the same monomer, glucose, and ha…
Astronauts go on spacewalks for many reasons, whether to repair satellites or spacecraft in space. By going on spacew…
Soap foam is a collection of bubbles, which are simply air trapped in a very thin film of soap. You can take any colou…
Most of the constellations we know have etymological connections to Middle Eastern, Greek and Roman cultures. They ide…