Stars

Stars:
why are they so cool?

By Emmet O'Melia

Multiple Choice

What color is the hottest star?

• Blue
• White
• Yellow
• Orange
• Red

Multiple Choice

What color is the coolest star?

• Blue
• White
• Yellow
• Orange
• Red

Multiple Choice

What color is our star, the Sun?

• Blue
• White
• Yellow
• Orange
• Red

Multiple Choice

Measure of how bright a star appears when viewed from Earth

• Absolute Magnitude (brightness)
• Apparent Magnitude (brightness)
• Both

Multiple Select

What two properties does the HR Diagram compare?

• Distance
• Temperature
• Number of Planets
• Absolute Brightness

Multiple Choice

What do stars like the Sun become when they run out of fuel?

• Black Holes
• Supernovas
• White Dwarfs

Multiple Choice

What is the inner most layer of the Sun?

• Core
• Radiative Zone
• Convection Zone
• Photosphere
• Chromosphere

Multiple Choice

What is the outermost layer of the Suns atmosphere?

• Corona
• Core
• Radiative Zone
• Convection Zone
• Photosphere

Multiple Choice

What is the layer of the Sun that we see when we look at it? (don't look at the Sun, it will hurt your eyes)

• Photosphere
• Core
• Radiative Zone
• Convection Zone
• Chromosphere

Multiple Choice

What is the hottest layer of the Sun?

• Core
• Radiative Zone
• Convection Zone
• Photosphere
• Chromosphere

Multiple Choice

Which sun feature is a cooler area of the sun?

• Sunspot
• Solar Flare
• Solar Prominece

Multiple Choice

Which sun feature is a loop that connects two sun spots?

• Sunspot
• Solar Flare
• Solar Prominece

Multiple Choice

Which sun feature is most dangerous to Earth?

• Sunspot
• Solar Flare
• Solar Prominece

Open Ended

Do you think fusion reactions in the Sun’s core will continue forever and go on with no end? Explain your answer.