Google Earth
Google Earth - Related Videos
02:37
Conditions on Early Earth
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2020
Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and hydrogen into the primordial atmosphere. However, organisms with the characteristics of life were not initially present on earth. Scientists have used experimentation to determine how organisms evolved that could grow, reproduce, and maintain an internal environment.In the 1920s, the scientists Oparin and Haldane proposed the idea that simple biological...
02:37
Conditions on Early Earth
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2026
Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and hydrogen into the primordial atmosphere. However, organisms with the characteristics of life were not initially present on earth. Scientists have used experimentation to determine how organisms evolved that could grow, reproduce, and maintain an internal environment.In the 1920s, the scientists Oparin and Haldane proposed the idea that simple biological...
00:55
Acceleration due to Gravity on Earth
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2023
Newton's second law is closely related to his first law of motion. It mathematically gives the cause-and-effect relationship between force and changes in motion. Newton's second law is quantitative and is used extensively to calculate what happens in situations involving a force. All external forces acting on a system add together to produce a net force Fnet. A larger net external force produces a larger acceleration. This acceleration is directly proportional to, and in the same direction as,...
01:21
Acceleration due to Gravity on Earth
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2023
According to Newton's law of gravitation, the gravitational force on a body is proportional to its mass. According to Newton's second law of motion, the acceleration produced by an external force is inversely proportional to the force. Hence, the acceleration of an object under an external force of gravitation is independent of its mass. The acceleration of an object close to the Earth, because of the Earth's gravitational pull, is called the acceleration due to gravity. It is always directed...
01:28
Apparent Weight and the Earth's Rotation
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2023
Since all objects on the Earth's surface move through a circle every 24 hours, there must be a net centripetal force on each object, directed towards the center of that circle. The points of the north and south poles are the only exception to this rule. For an object on the Earth's equator, the net centripetal force that accounts for its rotation is the Earth's pull towards its center, or the weight minus the normal force that prevents it from piercing into the Earth's surface. This force,...
FAQs
Google Earth supports environmental analysis by combining spatial layers from different sources and allowing users to inspect them across scales. A researcher can move from a broad regional view to a detailed location, then compare imagery, maps, terrain, or three-dimensional models. This layered, scale-dependent examination helps connect visible landscape patterns with the geographic context in which they occur.
Terrain and three-dimensional models add relief and built features to a flat map view. By examining these representations alongside satellite imagery, aerial photographs, and maps, users can interpret how landscape form relates to observed environmental patterns. This is useful for linking field observations with broader geographic structure and for understanding places where topography influences spatial relationships.
Time-series imagery helps reveal landscape transformation by placing observations from different periods in visual comparison. In Google Earth, users can examine changes such as deforestation, urban expansion, or shoreline change and relate those patterns to their geographic setting. The approach shifts analysis from a single snapshot toward evidence of how an environmental feature or land-use pattern has changed over time.
An environmental mapping workflow can begin by locating the area of interest, zooming between regional and local scales, and inspecting available imagery, maps, terrain, or models. Users can then compare locations or time periods and measure distances or areas. These steps organize visual observations into spatial evidence that can support land-use assessment, habitat mapping, watershed analysis, or documentation of change.
Google Earth can support several environmental investigations, but the relevant application determines what users examine. Land-use assessment focuses on changing surface patterns; habitat and watershed mapping emphasizes geographic relationships; disaster documentation records affected places; and conservation planning uses mapped context. Because the platform presents these subjects spatially, researchers can examine each issue in relation to surrounding landscapes.
In environmental sciences, the platform also serves as a bridge between analysis and communication. Students and researchers can connect field observations to broader geographic patterns, while interactive views make environmental change easier to demonstrate to others. This combination supports teaching, collaborative interpretation, and public communication about issues such as deforestation, urban expansion, shoreline change, and conservation.