BLOGS
Rock Cycle
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...
The Human Immune System
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:...
The Physics of Flight
The Science Behind Flight - Forces at Play Flight is made possible by the interaction of four fundamental forces—lift, gravity, thrust, and drag—which work together to overcome the challenges of gravity and air resistance. Lift: Lift is an upward force generated by...
The Circulatory System in Humans
Components of the Circulatory System The circulatory system consists of the heart, blood vessels, and blood. The heart is a muscular organ that pumps blood through two primary circuits: Pulmonary circulation: Blood travels from the heart to the lungs to pick up oxygen...
The Big Bang Theory
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...
Dinosaurs and their Extinction
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...
Understanding Photosynthesis
The Process of Photosynthesis Photosynthesis is a complex process where plants convert sunlight, water, and carbon dioxide into energy-rich glucose, releasing oxygen that sustains life on Earth. Energy Capture (Light Reaction): Photosynthesis begins in the...
2023 Canadian Math Kangaroo Contest Question Paper Grade 3 & 4
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...
Exploring the Solar System: Beyond Planets
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...
The Importance of Biodiversity
What is Biodiversity? Biodiversity refers to the variety of all living organisms on Earth, including plants, animals, fungi, and microorganisms. Each plant and animal plays a unique role, like pollinating plants, balancing food chains, or keeping ecosystems healthy....