Space and beyond gr 8 NS Siya

Which layer of the sun is the only layer seen from Earth because it blocks all of the other layers?

• Core

• Corona

• Photosphere

• Prominence

This is the only layer seen during a total solar eclipse? 

• Corona
• Photosphere
• Core

The Sun is made of...

• Water and Ice

• Hydrogen

• Magnesium

• Hydrogen and Helium

Different parts of the Sun rotate at different rates because

• The sun is solid and heavy

• The sun is made of water and is unstable

• The sun is made of gas

Joining of hydrogen atoms to form helium

• Nuclear Fusion

• Nuclear Fission

• Sun spots moving together

The center of the sun is the

• photosphere

• radiation zone

• corona

• core

What interior layer of the sun has hot gas rising and cool gas falling?

• convection zone

• radiation zone

• core

• corona

True or False: Our sun is a blue supergiant.

• True

• False

What is the closest star to the Earth?

• Sirius A

• Betelguese

• Rigel

• Our Sun

The universe is ____________ years old.

• 8.13 billion
• 13.7 billion

• 1.83 billion
• 381 million