10 questions · Form 3 Science Bab 9: Space Weather
10 questions · plays in fullscreen
Prefer reading to quizzing? All 10 questions are listed below with the answer and explanation under each one.
1. Which occupational group faces elevated radiation exposure risks during severe solar radiation storms?
Answer: B
High-altitude flights over polar regions receive higher cosmic and solar radiation doses because Earth's magnetic shielding is thinner near the poles.
2. Which high-energy explosion on the Sun emits sudden bursts of radiation across the electromagnetic spectrum (including X-rays and gamma rays)?
Answer: A
Solar flares are intense, violent bursts of electromagnetic radiation released when magnetic energy stored near sunspots is suddenly unleashed.
3. Which Earth protective structure deflects most energetic solar particles and prevents them from stripping away our atmosphere?
Answer: C
Earth's magnetosphere deflects solar wind and cosmic radiation, protecting the atmosphere and life on Earth.
4. Approximately how long is one complete cycle of sunspot activity (solar cycle)?
Answer: B
Sunspot activity peaks and declines in a regular cycle lasting approximately 11 years.
5. What shape is Earth's magnetosphere on the side facing AWAY from the Sun?
Answer: B
The solar wind compresses the magnetosphere on the sunward side and stretches it out into a long magnetotail on the night side.
6. What phenomenon occurs when huge clouds of magnetized plasma are thrown off the Sun's atmosphere into space at high velocities?
Answer: A
Coronal Mass Ejections (CMEs) release billions of tons of coronal material containing magnetic fields outward at high speeds.
7. How can strong solar flares and coronal mass ejections (CMEs) affect artificial satellites orbiting Earth?
Answer: B
Intense solar radiation expands Earth's upper atmosphere, increasing orbital drag while high-energy particles disrupt sensitive satellite electronics.
8. What is the name given to auroras occurring specifically around the Southern magnetic pole?
Answer: B
Aurora Australis refers to southern light displays, while Aurora Borealis occurs near the Northern magnetic pole.
9. What atmospheric phenomenon causes colorful glowing light displays near Earth's magnetic poles?
Answer: B
Auroras occur when energetic solar wind particles interact with oxygen and nitrogen gas molecules in the upper atmosphere near magnetic poles.
10. Which solar phenomenon involves massive loops of glowing plasma held in place by magnetic field lines above the photosphere?
Answer: A
Solar prominences are huge, arched loops of dense glowing plasma anchored in the photosphere and extending into the corona.