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…
Watermeal (Wolffia sp.) holds the unique position as the world's smallest flowering plant. Watermeal is a member o…
In an aqueous environment, microscopic animals and plants are collectively known as plankton. Plankton which can do ph…
This is to increase the surface area of the intestine for absorption of the nutrients in the food. The lining of the s…
The atomic number of an element suggests the number of protons in the nucleus of that element. You know the number of …
http://clipart-library.com/ Short answer: You can slip, slide and fall. Detailed answer: Friction is a resisting force…
There are two factors that help stability to a moving bike. 1. its rotating wheels create angular momentum and 2. when …
When you heat a solid, you expect it to melt and when you boil water, you can be pretty certain that it will turn into …
Excessive ingestion of fluorides during early childhood may damage tooth-forming cells, leading to a defect in the ena…
When you hold a seashell up to your ear, you hear the quiet roar of waves crashing on a distant beach. This is because …