by Meghna Rangarajan | Sep 28, 2024 | Student Blogs
Aerodynamics – The Science of Motion in Air Aerodynamics studies how gases (like air) interact with moving objects. This science helps us understand how airplanes, cars, and even birds move through the air efficiently. Key Forces in Aerodynamics: Lift: The upward...
by Meghna Rangarajan | Sep 28, 2024 | Student Blogs
What Are Acids? Acids are substances that release hydrogen ions (H⁺) when dissolved in water. They taste sour (Examples: lemon juice or vinegar). Acids have a pH of less than 7 on the pH scale. Strong acids, like hydrochloric acid, can react with metals and even...
by Meghna Rangarajan | Sep 21, 2024 | Student Blogs
What Is Magnetism? Magnetism is a force caused by the movement of electric charges, creating magnetic fields. Magnetic poles: Every magnet has two poles – North and South. Opposite poles attract, and like poles repel. Magnetic field: The area around a magnet where its...
by Meghna Rangarajan | Sep 19, 2024 | Student Blogs
What Is Pollination? Pollination is the process by which pollen is transferred from a flower’s male part (anther) to its female part (stigma), leading to fertilization and the production of seeds. Plants pollinate using animals, wind, and water, but bees are the...
by Catherine Anto | Sep 18, 2024 | Math Kangaroo review
The problem asks you to figure out which runner finished third based on their positions on the podium. The podium works in such a way that the person on the highest step finishes first, the person on the second-highest step finishes second, and the person on the third...
by Meghna Rangarajan | Sep 17, 2024 | Student Blogs
What Are Tectonic Plates? Tectonic plates are massive, irregularly shaped slabs of rock that make up the Earth’s lithosphere (the outermost layer of Earth). These plates move slowly over the asthenosphere, a more fluid-like layer beneath the lithosphere....
by Meghna Rangarajan | Sep 17, 2024 | Student Blogs
Phases Of The Moon The moon goes through a cycle of different shapes, known as phases, over approximately 29.5 days. These phases occur because the moon reflects sunlight, and as it orbits Earth, we see varying amounts of its sunlit side. There are eight main phases...
by Catherine Anto | Sep 15, 2024 | Math Kangaroo review
Given: The diagram shows a grid made of vertical and horizontal lines. The question asks which part was cut from the grid. Explanation: To determine the missing part of the grid, we need to compare each option (A to E) with the grid’s structure. The key is to observe...
by Meghna Rangarajan | Sep 8, 2024 | Student Blogs
What Is Buoyancy? Buoyancy is the ability of an object to float in a fluid like water or air. When an object is placed in a fluid, two main forces come into play: Gravity: The force that pulls the object down. Buoyant Force: The force that pushes the object up. For an...
by Meghna Rangarajan | Sep 8, 2024 | Student Blogs
What Is Deforestation? Deforestation is the large-scale removal of forests, typically due to human activities. Key Causes of Deforestation: Agricultural Expansion: Forests are often cleared to create farmland for growing crops or raising livestock. Logging: Trees are...
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