by Meghna Rangarajan | May 25, 2025 | Student Blogs
What Is the Food Pyramid? The food pyramid is a guide that shows how to eat a balanced diet by choosing the right types and amounts of foods. The pyramid has layers, with the largest group (grains) on the bottom and the smallest (fats and sweets) at the top. The main...
by Meghna Rangarajan | May 24, 2025 | Student Blogs
What Is Capillary Action? Capillary action is how water moves through tiny spaces—sometimes even uphill! Capillary action happens when water climbs up small spaces, like inside a paper towel or a plant stem. It works because of two forces: Adhesion – water sticks to...
by Meghna Rangarajan | May 24, 2025 | Student Blogs
Motion Illusions & Brain Tricks Optical illusions happen when our brain and eyes don’t work together as we expect. Our eyes collect light and images, but the brain tries to make sense of them. Sometimes, the brain makes guesses based on experience, but those...
by Meghna Rangarajan | May 10, 2025 | Student Blogs
What is Combustion? Combustion is a chemical reaction that releases energy through heat and light. Combustion is a chemical reaction between a fuel (such as wood, gas, or oil) and oxygen from the air. This reaction is exothermic, releasing energy (primarily as heat...
by Meghna Rangarajan | May 8, 2025 | Student Blogs
What is a Physical Change? A physical change affects a substance’s form or state, not its chemical identity. The molecules stay the same, but their arrangement or movement changes. No new substance is created. A physical change affects only physical properties (like...
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