Plants need light to grow well. This is because plants need light to make food in a process called photosynthesis. During photosynthes…
Read moreThe surface of the Earth is covered by a layer of rock. This layer is called the Earth’s crust. Scientist who study rocks are called geo…
Read moreWhen animals and plants die, their bodies may fall into sediments. Usually, they just decay. But sometimes they can become part of sedime…
Read moreCoal is a non-renewable fossil fuel that is combusted and used to generate electricity. Coal accounts for about half of the generati…
Read moreRocks do not stay the same forever. They get worn away slowly. Rain, wind, frost and temperature changes can all wear away rocks. Whe…
Read moreAll matter is made up of tiny particles. These particles are much too small to see. These particles are arranged differently in solid…
Read moreThe ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. The ozone layer…
Read moreWhat are forces? A force is a push or pull. Many actions, such as squeezing, lifting and pressing, involve pushes and pulls. When you squeeze a tub…
Read moreMost of us usually think why a dead body floats on water even when that person is alive he/she fears of sinking.We hear in news channel …
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