You will need a radio receiver capable of receiving 145.800 MHz narrow FM. The signals from the ISS are usually rather strong and a handheld scanner should be able to receive audible signals.
I don't exactly know which astronaut will be speaking but they will use the ham radio call sign OR4ISS.
The students will ask as many of the following questions as time permits:
1. To what extent do we on earth profit from your experiments on the ISS?
2. What are the aims of your present mission?
3. How much energy do you need daily and what kind of energy is it?
4. What about radiation on the ISS? Does it harm your health?
5. Have you had any problems with oncoming meteorites or space debris?
6. Which qualifications do you need to be on such a mission?
7. What were your feelings and emotions during lift off?
8. Do you lose your sense of time on the ISS?
9. How do you spend your free time on the ISS?
10. Have you got any room for your personal belongings?
11. What happens if you are ill?
12. What happens to the human body if you stay in space too long?
13. How often do you see the sunrise on the ISS per day?
14. What happens in case of an emergency, for example if the ISS is on fire?
15. Can you sleep well in a state of zero gravity?
16. How do you wash your hair?
17. How many experiments do you do a day?
18. Have you and your colleagues become friends?
19. What would you say is your most important experience on the ISS?
20. When do you think will mankind be able to leave our solar system?
ARISS is an international educational outreach program partnering the participating space agencies, NASA, Russian Space Agency, ESA, CNES, JAXA, and CSA, with the AMSAT and IARU organizations from participating countries.