2. What does Rheya's blood look like to Kelvin at the molecular level?
(a) It looks normal.
(b) The blood has no molecules.
(c) The molecules are irregular.
(d) The molecules are too precise.

3. What happens to Kelvin's arm?
(a) It goes to sleep.
(b) He cuts it.
(c) Rheya bruises it.
(d) It gets crushed in the door.

4. Where does Snow say the visitor Kelvin saw comes from?
(a) Snow says the visitor comes from Solaris.
(b) Snow says the visitor comes from Sartorius.
(c) Snow says he doesn't know.
(d) Snow says the visitor comes from the stars.

5. What does Rheya's blood look like to Kelvin at a subatomic level?
(a) Kelvin cannot see anything at the subatomic level.
(b) The subatomic structures are irregular.
(c) The subatomic structures are too precise.
(d) It looks normal.

6. Besides the envelope, what does Kelvin take from Gibarian's room?
(a) Gibarian's experiment notes and a tape recorder
(b) Gibarian's spacesuit and a broken watch
(c) Gibarian's broken watch and a tape recorder
(d) Gibarian's experiment notes and spacesuit

7. What happens when Kelvin goes into the restroom?
(a) Rheya disappears.
(b) Rheya breaks through the wall.
(c) Rheya attacks the door.
(d) Rheya begins sobbing.

8. What is Rheya wearing when Kelvin sees her?
(a) a spacesuit
(b) a pants suit
(c) a sundress
(d) a black dress

9. When did Kelvin last see Rheya?
(a) 6 months ago
(b) 3 years ago
(c) 1 year ago
(d) 10 years ago

10. What can Kelvin see from the window of his quarters?
(a) the stars in space
(b) the lower floor of the research station
(c) the ocean of Solaris
(d) nothing

11. What does Snow say about Kelvin's arrival?
(a) Snow heard that Kelvin's trip was canceled.
(b) Snow forgot about Kelvin's arrival.
(c) Snow never knew Kelvin was coming.
(d) Snow sent word for Kelvin not to come.

12. What does Kelvin arm himself with?
(a) a harpoon
(b) a gas pistol
(c) a fire extinguisher
(d) a flare gun

13. What does Kelvin see on Rheya's arm?
(a) a birthmark
(b) a mark from a hypodermic needle
(c) a scar from a razor cut
(d) an engraved bracelet

14. What does Kelvin hear from inside Sartorius' lab?
(a) the sound of a child running
(b) the sound of scraping furniture
(c) the sound of breaking glass
(d) sounds of sobbing

15. When was Solaris first discovered?
(a) a hundred years before Kelvin's birth
(b) a thousand years before Kelvin's birth
(c) the previous year
(d) ten years ago