Reflection: Answer as many as you like (at least 1).
What is something new you learned?
What is something that suprised you?
What questions do you have?
What would you like to learn more about?
What is the main process that powers the Sun?
What state of matter is the sun (and other stars) made of?
What happens during nuclear fusion?
What force helps bring hydrogen nuclei close enough to fuse?
According to the equation (E=mc^2), what does a small amount of mass contain?
What happens to the missing mass when 4 hydrogen nuclei are converted into helium?
What determines how bright an object appears to us?
What is apparent magnitude?
Some stars only appear bright to us because it is closer to us than other stars
What is absolute magnitude?
What are the two easily observable features of stars from Earth?
Which two variables are plotted on the HR diagram?
Where do stars begin their lives?
Main sequence stars fuse __________ into helium.
What will the Sun become when it runs out of hydrogen and begins fusing helium into carbon and oxygen?
What does a red giant become after it runs out of helium and explodes into a supernova?
What do red supergiants leave behind when they run out of fuel and explode into a supernova?
What is the primary factor that determines the life cycle of a star?
More massive stars have more fuel
What do low mass and average stars begin their life as?
What happens to a low-mass star when it runs out of hydrogen?
What will a red giant become?
High mass stars begin as hot, big, bright, and red.
Which element is fused in the center of the core of a high mass star?
What happens to a high mass star when it runs out of fuel?
After a supernova, what 2 things can the core of a high mass star become?