elementary science fair idea

With the development of more scientific ideas on elements, compounds and mixtures, people began to probe into how and why substances reac..

The central ideas of evolution are that life has a history-it has changed over time-and that different species share common ancestor..

Wave Energy or Sea-wave Energy - Energy from the oceans is also available in the form of oceanic waves or sea-waves. Due to the blowing of wind on the surface of ocean, very fast sea-waves (or water waves) move on its surface. Due to their high speed, sea-waves have a lot of kinetic energy in them...

This breed is found in Gujarat in the Gir forest. This cow is medium in size and is a good milk yielder...

Although Dalton's theory of the existence of atoms was published in 1808, there was no clear idea of what an atom might look like until the early part of the twentieth century. With the advent of electricity and phenomenon of spectrum, experimentation underwent a change and a flurry of r..

A Search for the Particles of Atom of Electrons - Although Dalton's theory of the existence of atoms was published in 1808, there was no clear idea of what an atom might look like until the early part of the twentieth century. With the advent of electricity and phenomenon of spectrum, ..

You have studied in the previous chapter about refraction of light by lenses and also about the nature, position and relative size of images formed by lenses. How can these ideas help us in the study of the human eye? The human eye uses light and enables us to see objects around us. How ..

Introduction - You have studied in the previous chapter about refraction of light by lenses and also about the nature, position and relative size of images formed by lenses. How can these ideas help us in the study of the human eye? The human eye uses light and enables us to see objects a..

Question: Which of the following sentences is true about the evolutionary process? 1. There is no real 'progress' in the idea of evolution. 2. humans are unique, a totally new type of organism. 3. progress is nature's religion. 4. Evolution of life forms was rapid in..

Graphical representation is more informative than tables as it gives a visual representation of two quantities (e.g., distance vs. time) At a glance a graph gives more information than a table. Both the graphs shown here represent the increasing speed Similarly, fig (2) gives an ide..