PART I:

Use the links on this page to write a 2-3 paragraph essay about black holes. Your essay must answer at least FOUR of the questions below. CIRCLE the questions that you choose here. You should take notes for your essay as you explore the website.

A.What is a black hole?

B.How are black holes born?

C.What is inside a black hole?

D.Do black holes live forever?

E.How big is a black hole?

F.What types of black holes are there?

G.How many black holes are there?

PART II:

Make sure you are back on this page: http://hubblesite.org/explore_astronomy/black_holes/encyclopedia.html.

Choose and complete one of the “Astronomy” Experiments:

A.How can a star become a black hole?

a.Read the background information. Take notes that will help you answer the question above.

b.Make a hypothesis that answers this question: What mass does a star have to have to turn into a black hole?

c.Test your hypothesis by changing the mass of your stars and clicking “Show Stellar Fate.” Keep track of your data (mass of star, what it turns into).

d.Analyze your data and write a conclusion that answers your hypothesis.

e.Finally, research and answer one of the “Related Questions.”

B.What happens when I fall into a black hole?

a.Read the background information. Take notes that will help you answer the question above.

b.Make a hypothesis: What do you think will happen to you when you fall into the black hole?

c.“Fall in” to the black hole. Write down a description of what happens.

d.Write a conclusion: Was your hypothesis correct? What did you data tell you?

e.Finally, research and answer one of the “Related Questions.”

PART III:

Finish early?? Check your work and make sure you have completed every step in Part I and Part II!

AFTER you check your work:

♣For extra credit, complete the other experiment from Part II. 

♣Go back to this page: http://hubblesite.org/explore_astronomy/black_holes/home.html. Follow the directions to take a journey to a black hole!