The Sun

What is the process by which energy is transported from the core of the sun to its surface?

• Conduction and radiation processes.

• Radiative and convective processes.

• Thermal and electrical processes.

• Magnetic and gravitational processes.

What are large loops on the surface of the sun that release a large amount of energy?

• Solar Flares

• Sunspots

• Prominences

• Coronal Mass Ejections

What are solar prominences?

• Large, bright features extending outward from the sun's surface, often associated with solar flares.

• Small, dark spots on the sun's surface that indicate cooler areas.

• Clouds of gas that form in the sun's atmosphere and are unrelated to solar activity.

• Rapid bursts of energy released from the sun's core during nuclear fusion.

How does solar wind affect Earth?

• It can cause geomagnetic storms that affect satellites and power grids.

• It increases the temperature of the Earth's surface.

• It creates more clouds in the atmosphere.

• It has no significant effect on Earth.

What is the average temperature of the sun's core?

• About 5 million degrees Celsius.

• About 10 million degrees Celsius.

• About 15 million degrees Celsius.

• About 20 million degrees Celsius.

What phenomenon is frequently seen after solar flares?

• Auroras

• Tsunamis

• Earthquakes

• Volcanic Eruptions

What is the outer layer of the sun's atmosphere called?

• Photosphere

• Chromosphere

• Corona

• Mantle

What is the solar cycle?

• A periodic event occurring every 5 years

• An approximately 11-year cycle of solar activity, including sunspots and solar flares.

• A cycle of lunar phases lasting 29.5 days

• A phenomenon related to Earth's rotation around the sun every 365 days

What happens when hydrogen nuclei fuse into helium nuclei?

• Energy is released.

• Hydrogen is produced.

• Helium is destroyed.

• Mass is converted into light.

What is the constant stream of energetic and electrically charged particles that spreads out from the Sun in all directions called?

• Solar Wind

• Solar Flare

• Solar Radiation

• Solar Storm