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15 Climate Feedback Loops and Examples

Atmosphere

Climate feedback loops either amplify or reduce climate change. Positive feedback loops like permafrost melt amplifies climate change because it releases methane. […]

Taxonomic Classification: From Domain to Species

DNA, Cells and Organisms

In biology, we categorize life by how similar organisms are with each other. Like a family tree, we find relationships by their classification of life. […]

Earth Rotation: The Day-Night Boundary

Outer Space

As the Earth spins, the sun always shines on one side which gives it sunlight. When you’re facing the sun, it’s daytime. But when you’re not, it’s night. […]

The Mesozoic Era: The Age of Reptiles, Dinosaurs and Conifers

Geologic Timeline

The Mesozoic Era had a lot of “firsts”. For example, it had the first birds, first mammals, first dinosaurs and first flowering plants on Earth. […]

Shape of the Earth: The Oblate Spheroid

Outer Space

Earth is not a perfect sphere. In fact, it’s in the shape of an oblate spheroid. Earth shape bulges at the equator and flattens at the north and south pole. […]

3 Types of Volcanoes: Stratovolcano, Shield and Cinder Cone

Geology

The 3 types of volcanoes are stratovolcanoes, shield volcanoes and cinder cones. Based on their geography, volcanoes take different appearances. […]

Divergent Plate Tectonics: Boundaries that Pull Apart

Geology

Beneath the oceans, lava erupts every day from mid-oceanic ridges. These divergent plate boundaries pull apart from each other creating new igneous rock. […]

Life Science

The Biosphere: Life on Earth

The biosphere is the layer of Earth where life exists. You, me, plants, insects bacteria and all living things on land, air and oceans are the biosphere. […]

3 Mechanical Weathering Processes that Break Down Rocks

Geology

Mechanical weathering is the breakdown of rocks into sediments by physical means.This type of weathering does not alter the chemical composition of rocks. […]

Taxonomic Classification: From Domain to Species

DNA, Cells and Organisms

In biology, we categorize life by how similar organisms are with each other. Like a family tree, we find relationships by their classification of life. […]

Career

DNA, Cells and Organisms

Human Cells vs Bacteria: Microbiota in Your Body

By 10 to 1, colonies of bacteria outnumber human cells. We rely on bacteria because they break down sugars, help digest food and protect against infections. […]

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