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Questions and Answers
What causes the formation of lightning?
What causes the formation of lightning?
- Release of heat energy from the sun
- Interaction of positive and negative charges in a cloud (correct)
- Friction between ice particles in a cloud
- Collision between water droplets and ice particles in a cloud
Why does a rainbow form after rainfall?
Why does a rainbow form after rainfall?
- Absorption of light by clouds after rain
- Reflection of light by water droplets in the atmosphere
- Refraction and dispersion of sunlight by raindrops (correct)
- Scattering of light by water vapor in the air
What is the primary cause of earthquakes?
What is the primary cause of earthquakes?
- Volcanic eruptions
- Movement of tectonic plates (correct)
- Impact of meteorites on the Earth's surface
- Underground nuclear testing
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Study Notes
Weather Phenomena
- Lightning forms when there is a buildup of electrical charges in the atmosphere, typically during thunderstorms, resulting from the friction of ice crystals and water droplets in clouds.
- Rainbows form after rainfall due to the refraction and dispersion of sunlight as it passes through water droplets in the air, creating the colors of the rainbow.
Seismic Activity
- Earthquakes are primarily caused by the movement of tectonic plates in the Earth's lithosphere, which can lead to the release of energy in the form of seismic waves.
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