by Meghna Rangarajan | Dec 23, 2024 | Student Blogs
What Is the Carbon Cycle? The carbon cycle describes how carbon moves through the Earth’s systems Key Steps in the Carbon Cycle: Photosynthesis: Plants take in carbon dioxide (CO₂) from the air and convert it into oxygen and sugars. Respiration: Animals release CO₂...
by Meghna Rangarajan | Dec 20, 2024 | Student Blogs
Newton’s First and Second Laws Newton’s First and Second Laws explain how objects resist changes in motion and how force affects acceleration. First Law (Law of Inertia): An object will stay at rest or move at a constant speed in a straight line unless...
by Meghna Rangarajan | Dec 20, 2024 | Student Blogs
The Science Behind Electricity Electricity is the flow of electrons (tiny particles in atoms) through a conductor like a wire.
Example: Batteries and power outlets provide electricity. Current Types: Direct Current (DC): Flows in one direction (e.g., batteries)....
by Meghna Rangarajan | Dec 19, 2024 | Student Blogs
What Are Microorganisms? Microorganisms are tiny living organisms visible only under a microscope. Types include: Bacteria: Single-celled organisms found everywhere (e.g., in soil, water, and our bodies). Viruses: Non-living particles that infect living cells to...
by Meghna Rangarajan | Dec 19, 2024 | Student Blogs
Types of Rocks There are three main rock types, with rocks changing between each type over millions of years. Igneous rocks are formed from the cooling of molten rock (magma & lava) Magma cools underground → forms intrusive igneous rocks (e.g., granite). Lava...
by Meghna Rangarajan | Dec 14, 2024 | Student Blogs
The Big Bang – What Happened? 13.8 Billion Years Ago: The universe began as a tiny, hot, and dense point called a singularity. This singularity suddenly expanded in an event called the Big Bang, releasing enormous energy. In the first fractions of a second, the...
by Catherine Anto | Dec 9, 2024 | Math Kangaroo review
Finding the candle that blew out first is the challenge at hand. After reading the question, we can tell that Akira was lighting her candles. A taller bar indicates that the candle blew out first, since the provided photo illustrates how tall the candle was when it...
by Meghna Rangarajan | Dec 1, 2024 | Student Blogs
First Line of Defense The immune system’s first line of defense relies on physical and chemical barriers to prevent harmful pathogens from entering the body. Skin: Acts as a tough, protective outer layer, preventing most germs from entering the body. Mucus Membranes:...
by Meghna Rangarajan | Nov 30, 2024 | Student Blogs
World of Dinosaurs Dinosaurs appeared about 230 million years ago during the Triassic Period. They thrived for over 165 million years across the Triassic, Jurassic, and Cretaceous Periods. Types of Dinosaurs: Herbivores (plant-eaters) like the Brachiosaurus and...
by Meghna Rangarajan | Nov 30, 2024 | Student Blogs
Comets Comets are fascinating celestial wanderers known for their glowing comas and spectacular tails illuminating the night sky. Structure of a Comet Nucleus: The solid, icy core made of rock, dust, and frozen gases. Coma: A glowing cloud of gas and dust that forms...
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