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Earth's Formation and Heat Generation Quiz

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Earth's Formation and Heat Generation Quiz

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Questions and Answers

What is the primary source of Earth's internal heat?

Friction from the Earth's rotation

Gravitational compression of the core

Radioactive decay of elements within the Earth (correct)

Remnant heat from the planet's formation

Approximately how much heat is emitted from the Earth's surface on average?

4,000°C at the core

750°C at a depth of 25 km

87 milliwatts per square meter (correct)

47 terawatts

Which of the following is NOT mentioned as a direct consequence of Earth's internal heat?

Geysers

Earthquakes

Volcanic eruptions

Tidal forces (correct)

How does the temperature within the Earth change with depth?

It increases, but not in a linear or exponential pattern Signup and view all the answers

What process is responsible for the 'subatomic particles that zip away' and generate heat through collisions, according to the text?

Radioactive decay Signup and view all the answers

According to the information provided, which of the following statements is true regarding the heat produced within Earth?

The heat produced within Earth is a consequence of radioactive decay processes. Signup and view all the answers

How is the temperature at Earth's core estimated, according to the information provided?

By analyzing the rate of travel of seismic waves and laboratory data on material properties. Signup and view all the answers

Which of the following forms of energy from the Sun is primarily responsible for driving Earth's weather and erosion processes?

Solar radiation (a combination of visible, infrared, and ultraviolet radiation) Signup and view all the answers

What is the approximate travel time for solar energy to reach Earth from the Sun?

8 ⅓ minutes Signup and view all the answers

According to the information provided, which of the following statements is true regarding the solar wind?

It can include high-energy particles and radiation from solar storms. Signup and view all the answers