Light sources – Clip

Auroras, known as the Northern Lights in the Northern Hemisphere and the Southern Lights in the Southern Hemisphere, are natural light displays. They occur when particles from the sun collide with Earth's atmosphere.

What are auroras called in the Northern Hemisphere?

• Southern Lights

• Polar Lights

• Northern Lights

• Equatorial Lights

What is the term used for auroras in the Southern Hemisphere?

• Polar Lights

• Northern Lights

• Southern Lights

• Equatorial Lights

What causes the natural light displays known as auroras?

• Magnetic field disturbances

• Collision of particles from the sun with Earth's atmosphere

• Reflection of moonlight

• Refraction of sunlight

Which of the following is NOT a factor in the formation of auroras?

• Earth's atmosphere

• Ocean currents

• Particles from the sun

• Magnetic fields

Auroras are primarily visible in which regions of the Earth?

• Mountainous regions

• Desert regions

• Polar regions

• Equatorial regions