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[Daniel Humm]

Its for Uni physics (first year though, so that is pretty much year 12 physics). Thanks Duke and slim6y for what you've said so far! I've never done physics before so what are the basics for you, aren't for me...
slim6y, there isn't a task sheet as such, we just had to do an essay on something 'physics' - the lecturer basically gives you an idea based on your hobbies/interests, and off you go. Hence why I had to find out if snakes could hear on the moon

I thought snakes could only hear via vibrations - seems this isn't true :

"Thus, like many other animals, snakes have two ways of detecting sounds: earthborne and airborne. The earthborne vibrations are passed through the belly muscles to special receptors along the spine and thus transmitted to the brain. Airborne sounds are transmitted to the lung from the skin receptors to the eighth cranial nerve and inner ear.
Most snakes can hear a person speaking in a normal tone of voice in a quiet room at a distance of about 10 feet (3 m)."
From http://www.anapsid.org/snakehearing.html. That article I mentioned before goes into greater detail on this and seems to be the best source of info for the latest research on snake hearing.

But for the purpose of this essay then, yes the snake would be able to hear earthborne sounds on the moon, but not airborne.