Rust is formed when iron reacts with oxygen in the air. The product is iron oxide, which is commonly known as rust. Iron+ oxygen=iron oxide This mean…
Read moreWhen you look in a mirror, you see a clear reflection of yourself. The picture you see in a mirror is called an image. Bouncing Light Mirrors reflect…
Read moreThe first US dollar was issued by Federal Reserve of America in 1914, under the presidency of Woodrow Wilson. The dollar officially became the world’…
Read moreWhat is Capital Market? By: Syed Hamza Shahnawaz Class: 7 St. Patrick High School Karachi The capital market is composed of the supplier (who invests…
Read moreWhat is Inflation? By Syed Faisal Shahnawaz Inflation is an economic term that refers to the generally rising prices of goods and services within a p…
Read moreWhat is Trade Balance? Trade balance is the total amount taken out through calculating the difference of a country’s exports from its imports. If t…
Read moreWhat are atoms? Over 2000 years ago a Greek philosopher called Democritus suggested that everything was made up of tiny pieces. Democritus suggested …
Read moreVertebrates: Vertebrates are the animals with backbones. They are classified into five groups called classes. Fish: Fish are vertebrates with fins. …
Read moreWhat is chromatography? Black ink looks as if it is just one color. In fact, it is a mixture of different colors. You can separate out the different …
Read moreWhat is a compound? We have seen that some substances are elements. An element is made up of only one kind of atom. Many substances are made up of mo…
Read moreThe train in the photograph is moving. You can tell because it looks blurred. The grass is not blurred because it is stationary. The train looks blur…
Read moreEveryone enjoys eating tasty food. Food gives us pleasure. But have you ever thought why we eat food? Food gives us nutrients that help us to stay he…
Read morePlants are classified based on many criteria, and one such classification is the presence or absence of a vascular system. Essentially, a vascular pl…
Read moreThe Indus Valley Civilization was a Bronze Age civilization in the northwestern regions of South Asia, lasting from 3300 BCE to 1300 BCE. By 2600 BCE…
Read moresource: https://www.shutterstock.com/ A landform is a feature on the Earth's surface that is part of the terrain. Tectonic plate movement under …
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