Science: Earth and Space - Quiz 34

Benjamin is studying the sun and notices some dark patches on its surface. What are these dark patches caused by the sun's magnetic field?

• Sunspots

• Solar flares

• Prominences

• Coronal loops

(a)   are larger-than-normal convection cells that cover the sun's surface and last from 12 to 24 hours.

• Supergranules
• Solar Flares

• Prominences

• Coronal Mass Ejections

James is studying different types of stars in his astronomy class. He learns about a group of small, dim stars that are not part of the main sequence. What are these stars called?

• Red giants

• White dwarfs

• Neutron stars

• Black holes

Ethan is observing the sun through a telescope. He wonders what the visible surface of the sun is called. Can you help him identify it?

• Corona

• Chromosphere

• Photosphere

• Core

Ethan is studying the sun's atmosphere for his science project. He learns about a thin layer that releases ultraviolet radiation. What is this layer called?

• Corona

• Transition region

• Chromosphere

• Photosphere

Rohan and Anika are observing a star from opposite sides of Earth's orbit. The half of the angle that the star appears to move on the celestial sphere is called (a)   .

• Stellar Parallax
• lunar parallax
• parsec
• light year

Michael and Charlotte are observing stars in the night sky. What is the primary factor that determines the color of the stars they see?

• Surface temperature

• Stellar parallax

• Absolute magnitude

• Apparent magnitude

Mason and Aria are observing stars through a telescope. They notice that some stars, like giants and supergiants, are extremely bright. What characteristic makes these stars so bright?

• Temperature

• Size

• Color

• Distance

Mason is observing the sun through a telescope and notices a feature on the sun's surface. He learns that this feature is the same as a solar prominence but viewed from a different angle. What is Mason observing?

• Spicule

• Solar flare

• Solar wind

• Filament

What two main characteristics influence a star's absolute magnitude?

• Brightness and size

• Temperature and distance

• Temperature and size

• Brightness and distance