Learn Online What Is Acid Rain? Staff Reporter When forms of precipitation such as rain, snow and hail contain sulphuric acid or nitric
Learn Online What Is a Drought? Staff Reporter A drought is a period of time when a region receives less snow or rain
Learn Online What Is a Solar Eclipse? Staff Reporter On April 8, 2024, people in North America witnessed a total solar eclipse.
Learn Online How Do Earthquakes Occur? Staff Reporter The upper layer of the Earth is made up of enormous, rocky pieces called tectonic
Learn Online What Is Photosynthesis?  Staff Reporter Photosynthesis is the process that green plants use to make food.
Learn Online What Is the Ozone Layer? Staff Reporter The ozone layer is a layer of gas in the Earth’s stratosphere that protects the
Learn Online What Are Coral Reefs? Staff Reporter Corals are marine organisms found in all of the world’s oceans.
Learn Online What Are Fossil Fuels? Staff Reporter Fossil fuels are carbon-rich substances formed due to the decomposition of dead plants and animals
Learn Online How Do Mountains Form? Staff Reporter The naturally occurring physical features on the surface of the Earth are called landforms. Mountains,
Learn Online How Does Digestion Occur in Humans? Staff Reporter The food consumed by humans is broken down into extremely small water-soluble molecules through the
Science & Technology Simple Physics: Which Is Heavier—a Kilogram of Steel or a Kilogram of Feathers?