The Study of the Sun

Most of the sun’s energy is a result of

• nuclear fusion  
• nuclear fission
• atomic reactions
• coronal mass ejection

Energy is created in the core when two _____________ atoms join together to form a ______________ atom.

• helium, hydrogen
• carbon, hydrogen
• nitrogen, helium
• hydrogen, helium

Areas of gas on the sun's surface that are cooler than gases around them are called:

• corona
• prominences
• sunspots
• solarspots

The number of sunspots on the sun varies in a cycle that is about how long?

• 6-8 years
• 10-11 years
• 12-15 years
• 365 days

What is this

• Prominence

• Sunspot

• Core

• Solar Flare

These are the pretty lights that occur at the north and south poles.

• Photosphere
• Aurora
• Magnetic field
• Solar wind

What is the Order of the visible portion of the Electromagnetic System?

• Red,Yellow,Orange,Green,Blue,Indigo,Violet

• Red,Orange,Yellow,Green,Blue,Indigo,Violet

• Violet,Indigo,Green,Blue,Red,Orange,Yellow

• Violet,Blue,Red,Orange,yellow,green,Indigo

Astronomers have invented telescopes that allow us to "see" beyond the visable range?

• True

• False

A refracting telescope uses _______ to focus light.

• Lenses

• Mirrors

• Lasers

• Water

Reflecting telescopes use _______ to focus light.

• Lenses

• Glass

• Mirrors

• Lasers