Crash Course Here Comes The Sun

Ancient Romans, who once worshiped the Sun, called it ___

• Malakbel
• Helios
• Sol
• Apollo

The Sun is the star at the center of our ___

• 8-planet universe
• 8-planet solar system
• 9-planet solar system
• 9-planet universe

How old is our Sun?

• 5 million years old
• 9 million years old
• 5 billion years old
• 9 billion years old

At 15 million degrees Celsius, the hottest part of the Sun is ___

• the core
• the middle zone
• the surface
• the corona

How many Earths could fit inside the Sun?

• about a thousand
• about a million
• about a billion
• about a trillion

Compared to other stars, the Sun seems so big and bright to us because ___

• it's much hotter
• it's much closer
• it really is much bigger and brighter
• it's much older

What kinds of energy do we get from the Sun?

• electricity and chemical energy
• electricity and light
• heat and electricity
• heat and light

How long does it take energy, created in the Sun's core, to reach the surface?

• about 8 minutes
• about 100 years
• about 8 thousand years
• about 100 thousand years

How long does it take for light to travel from the Sun's surface to Earth?

• about 8 minutes
• about 100 years
• about 8 thousand years
• about 100 thousand years

Without the heat and light we get from the Sun, Earth would be ___

• a thriving ecosystem
• the only planet with life
• just a frozen ball floating around in space
• all alone in the solar system