One of the school governers saw a school in America do this and thought we should too.
Space ice cream
We've spent the whole year making models of the space station. We've all learned so much!
We even got to try space ice cream, which was powdery, but quite nice.
When the time came to choose questions, we all had to sit down and think of the thing we wanted to know most.
My friend was eating a Mars bar and it made me wonder when humans will be going to Mars.
Getting the chance to ask astronaut Ed Lu my question was brilliant.
We didn't have a lot of time for the link up, and I was quite far back in the queue so I was nervous that I wouldn't get the chance.
Ed did get round to me though and it was so cool hearing his voice from space.
Now it's over, I've decided I don't want to work in space. It's too far away from my family."
Lucy, 11, Neston
Any school can apply to take part and a voluntary organistion called Amatuer Radio on the International Space Station (ARISS) provides the equipment.
To find out more, click on the ARISS link at the top right of this story.
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