E:30/11 Giant Pick Up Sticks

Snidely

http://www.scienceyear.com/wired/index.html?page=/quiz/


Superglue yourself to your seat it’s a new quiz!
(No! don’t really – that’s not a good idea…) Answer all ten questions correctly and you could win a set of floor/garden/park/beach sized pick up sticks!
Ready? Steady? Get stuck in!
<ins cite="file://localhost/mid/kwalsh20070525T170830125" datetime="2007-05-25T17:08"></ins>
<input name="Form_Name" value="11_07" type="hidden">

1. George de Mestral invented Velcro in 1948 after being inspired by sticky-hooked burrs. But the invention of what other material (by Wallace Carothers) made it possible?
   • <input name="01" value="yes" id="1a" type="radio"><label for="1a">Nylon</label>
   • <input name="01" value="no" id="1b" type="radio"><label for="1b">Teflon</label>
   • <input name="01" value="no" id="1c" type="radio"><label for="1c">Neon</label>
2. Sundew plants trap and consume their unwitting insect prey by producing a sticky substance - and what other types of digesting chemicals - from stalked glands on their leaves?
   • <input name="02" value="no" id="2a" type="radio"><label for="2a">Detergents</label>
   • <input name="02" value="yes" id="2b" type="radio"><label for="2b">Enzymes</label>
   • <input name="02" value="no" id="2c" type="radio"><label for="2c">Oils</label>
3. Which of these is NOT a type of chemical bond?
   • <input name="03" value="no" id="3a" type="radio"><label for="3a">Ionic </label>
   • <input name="03" value="no" id="3b" type="radio"><label for="3b">Van der Waal</label>
   • <input name="03" value="yes" id="3c" type="radio"><label for="3c">Von Trapp</label>
4. The human respiratory system produces sticky nasal mucus. What is the main purpose of the mucus?
   • <input name="04" value="yes" id="4a" type="radio"><label for="4a">To trap bacteria and dust and prevent these entering the body.</label>
   • <input name="04" value="no" id="4b" type="radio"><label for="4b">As an outward sign that a person is ill so other people will stay away.</label>
   • <input name="04" value="no" id="4c" type="radio"><label for="4c"> To dehydrate a person to the point where bacteria cannot survive.</label>
5. Suction cups stick to smooth surfaces without the need for glue. They have been used on Earth for centuries, but would they work outside a space craft on the Moon?
   • <input name="05" value="no" id="5a" type="radio"><label for="5a">Yes - the Moon's gravity is strong enough. </label>
   • <input name="05" value="no" id="5b" type="radio"><label for="5b">No - they require air pressure to keep them in place.</label>
   • <input name="05" value="no" id="5c" type="radio"><label for="5c">Maybe - it depends on how dusty the surface is.</label>
6. Octopuses have suctions cups on their arms which work in a similar, if more sophisticated, way to normal manufactured suction cups. However, each suction cup has chemoreceptors which allow it to do what, to the object it is stuck to?
   • <input name="06" value="yes" id="6a" type="radio"><label for="6a">Taste it.</label>
   • <input name="06" value="no" id="6b" type="radio"><label for="6b">Talk to it.</label>
   • <input name="06" value="no" id="6" type="radio"><label for="6c">Kiss it.</label>
7. Rubbing an inflated rubber balloon on hair creates a static electric charge where electrons are added to the surface of the balloon. The attraction between the electrons and the positive charge in a wall makes the balloon stick to the wall. The electrons don't flow away from the rubbed section because a rubber balloon is...
   • <input name="07" value="yes" id="7a" type="radio"><label for="7a">...an insulator.</label>
   • <input name="07" value="no" id="7b" type="radio"><label for="7b">...too cold for the electrons to move.</label>
   • <input name="07" value="no" id="7c" type="radio"><label for="7c">...not silver.</label>
8. In an unusual collaborative effort, thousands of spiders created a sticky spider web over the summer which was 180 metres long, enveloped whole trees and blocked out the sunlight in places. Where was this web discovered?
   • <input name="08" value="no" id="8a" type="radio"><label for="8a">Cumbria, England.</label>
   • <input name="08" value="yes" id="8b" type="radio"><label for="8b">Texas, USA.</label>
   • <input name="08" value="no" id="8c" type="radio"><label for="8c">Mars</label>
9. That enemy of all adventure heroes, quicksand, is a mixture of soil or sand and water. It sometimes behaves as a solid and sometimes as a liquid depending on how our hero is moving in it. This mixture, along with other substances like milk, paint and smoke, are known collectively as what?
   • <input name="09" value="no" id="9a" type="radio"><label for="9a">Cocktails</label>
   • <input name="09" value="no" id="9b" type="radio"><label for="9b">Collages</label>
   • <input name="09" value="yes" id="9c" type="radio"><label for="9c">Colloids</label>
10. What kind of sticky creature is Ctenomorpha chronus?
    • <input name="10" value="no" id="10a" type="radio"><label for="10a">Stick bat</label>
    • <input name="10" value="yes" id="10b" type="radio"><label for="10b">Stick insect</label>
    • <input name="10" value="no" id="10c" type="radio"><label for="10c">Stick bee</label>

• And give your details