ntaexam

Crystals are a special type of solid in which the molecules fit together in a repeating pattern. This pattern makes the material form all kinds of unique shapes. The process of crystal formation is called … Read more

The American alligator lives only in the southeastern United States and parts of eastern China. There are two different species: the American alligator and the Chinese alligator. The American alligator is often confused with the … Read more

The three basic elements used in electronic circuits are resistors, capacitors and inductors. Each of them plays an important role in the behavior of an electronic circuit. They also have their own standard symbols and … Read more

God Save Our Solomon Islands is the National Anthem of Solomon Islands. It was adopted in 1978 following independence. The lyrics were authored by Panapasa Balekana, and Matila Balekana. Below we have provided the National … Read more

The world around us is made up of microscopic units of matter called atoms. The way these atoms stick together to form substances is known as a chemical bond. Each element has a unique atom … Read more

The sun is so bright we can’t even look at it. In fact, you should never look directly at the Sun. It can damage your eyes permanently. However, scientists can see the surface of the … Read more

Renewable energy uses an energy source that is not “exhausted”. For example, solar energy from the sun is renewable because we won’t “use” all the light from the sun. Examples of non-renewable energy sources include … Read more