States of Water: Gas, Liquid and Solid
Because water is extremely versatile, it changes phases rapidly. The states of water are gas, liquid and solid. Water cycles through these phases in nature.
Articles
Forestry Career: What Do Foresters Do?
Money doesn’t grow on trees for foresters but it still makes a great career option. You will harvest timber while conserving the environment as a forester.
What is Meteorology? 15 Branches of Meteorology
Weather and climate is all around us. It affects our work and play. Big disasters cost money and lives. Here are the branches of meteorology.
Universe Expansion: The Farthest Galaxy from Earth [Infographic]
The universe is immeasurable in size. Universe expansion is the theory that galaxies and all matter in space are increasing in distance between each other.
Theory of Evolution: Charles Darwin and Natural Selection
In flesh and blood, you have been genetically fine-tuned as a product of natural selection. Without evolution, complex beings like humans wouldn’t exist.
How Do Glaciers Form?
Like a rake scraping the dirt, glaciers leave a lasting impression on the land. They can erode mountains, transport vast amount of rock and reshape the land.
Coal Formation: How Coal Forms
Hydrocarbons, oil and coal formation in general are made from living organisms that have been compacted from intense heat and pressure millions of years ago.
LUCA: Last Universal Common Ancestor
All living things originated from a common ancestor called the last universal common ancestor (LUCA). The origin of life existed before LUCA (3.5 – 4.1 bya)
Sun Fusion: How the Sun Heats Up Earth
Fusion reactions power the sun. By fusing hydrogen to helium, the sun releases vast amounts of energy towards Earth. Then, sun fusion reaction heats Earth.
What is Net Primary Productivity for Earth?
The Earth breathes. We gauge Earth net primary productivity by how much carbon dioxide plants absorb from the atmosphere minus how much it respires.
Planet Formation and the Core Accretion Theory
We use the core accretion model to describe planet formation and the creation of our solar system which includes a central star and natural orbiting objects.
Earth Tilt: 23.5 Degrees Axis
Imagine sticking a pencil into the Earth’s poles and twisting your wrist 23.5°. This is the Earth tilt essential in seasonal patterns, climate and life on Earth.
The Dinosaur Era: When Dinosaurs Dominated
If you rewind the clock 230 million years back, dinosaurs dominated the land. Not just for a short span of time. But they lived for over 175 million years!
Mountain Building: How Mountains are Made
When convergent plates collide, the lithosphere thrusts upwards. This geologic process of vertical upheaving are orogenies or mountain building events.
African Plate and the East African Rift Zone
The African major plate contains all of Africa as well as the surrounding oceanic crust of the Atlantic Ocean. It moves at an average rate of 2.5 cm per year.