Energy Systems & Flow (Hydrosphere/Atmosphere/Biosphere/Geosphere) (Middle School Science)
Автор: Cognito USA
Загружено: 2025-10-21
Просмотров: 460
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** WHAT'S COVERED **
1. Earth's four main systems and their interactions.
Defining the atmosphere, hydrosphere, geosphere, and biosphere.
How these systems interact with each other across different scales of space and time.
2. The two primary energy sources that drive all of Earth's processes.
The role of solar energy from the Sun in processes like the water cycle and photosynthesis.
The impact of the Earth's internal energy on plate tectonics, volcanoes, and mountain formation.
3. The distinction between the flow of energy and the cycling of matter.
A look at how energy flows in one direction, while matter is continuously recycled through systems.
4. How energy flow and matter cycling result in physical and chemical changes.
Explaining the difference between physical changes (e.g., erosion) and chemical changes (e.g., oxidation).
** CHAPTERS **
0:00 Introduction
0:27 Earth's Four Main Systems
1:25 Interactions Across Space & Time Scales
2:38 The Two Main Energy Sources
3:59 Physical & Chemical Changes
5:45 Outro
#study #revision #school #exam #IB #AP #ngss
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