1. Chemistry: Re: what tubing would i use to mix an acid and base to measure heat generated?, Nigel Barker, Head of Science, International School of Lusaka Sun Mar 7 03:24:27 1999
2. Engineering: Re: Why electrically bond nozzle and container when dispensing flammable liquid, Nigel Barker, Head of Science, International School of Lusaka Wed Sep 22 14:15:05 1999
3. Chemistry: Re: How do they make fabric, couches, pajamas less flammable? What do they use?, Nigel Barker, Head of Science Mon Dec 7 13:39:12 1998
4. Chemistry: Re: When does ionic bonding occur & when does covalent bonding occur?, Nigel Barker, Head of Science, International School of Lusaka Sat May 29 10:07:51 1999
5. Chemistry: Re: How does the bond energy relate to the reactivity of a compound?, Nigel Barker, Head of Science, International School of Lusaka Mon Nov 13 21:53:42 2000
6. Chemistry: Re: What is the correct equation for producing hydrogen gas from lye?, Nigel Barker, Head of Science, International School of Lusaka Mon May 1 14:08:11 2000
7. Chemistry: Re: Chemical names in other languages, Nigel Barker, Head of Science, International School of Lusaka Sat Sep 4 09:32:12 1999
8. Chemistry: Re: why do the atom's energy level names start with 'K' and then move up to 'q', nigel barker, Secondary School Teacher, Chemistry, International School of Lusaka Thu Oct 22 13:17:10 1998
9. Chemistry: Re: How do you make a battery using magnesium?, Nigel Barker, Head of Science, International School of Lusaka Fri Nov 24 02:37:30 2000
10. Chemistry: Re: Atomic weight and atoimc mass, Nigel Barker, Head of Science, International School of Lusaka Sat Jan 2 11:38:07 1999
11. Chemistry: Re: Roses' metal an amalgam- what gives it so low a melting point?, Nigel Barker, Head of Science, International School of Lusaka Sat Dec 19 02:27:52 1998
12. Chemistry: Re: what is the hardest element to make and how long does it last?, Nigel Barker, Head of Science Sat Nov 21 12:24:13 1998
13. Chemistry: Re: How do you do electron configuration just using the periodic table?, Nigel Barker, Head of Science, International School of Lusaka Thu Sep 16 14:34:17 1999
14. Chemistry: Re: what do they put into methylated spirits to make it that purple colour?, nigel barker, Secondary School Teacher, Chemistry, International School of Lusaka Fri Oct 16 14:21:39 1998
15. Chemistry: Re: why do non-polar molecules have smaller forces of attraction between them , Nigel Barker, Head of Science, International School of Lusaka Tue Apr 18 14:09:53 2000
16. Chemistry: Re: Water and teaching misconceptions, Nigel Barker, Head of Science, International School of Lusaka Sat May 15 06:14:42 1999
17. Chemistry: Re: What will graphite dissolve in?, Nigel Barker, Head of Science Mon Nov 2 12:55:29 1998
18. Chemistry: Re: A group of students in Chemistry 1412 were given this problem to determine, Nigel Barker, Head of Science, International School of Lusaka Mon Apr 12 14:40:15 1999
19. Chemistry: Re: why the pressure inside a balloon is equal everywhere, Nigel Barker, Head of Science, International School of Lusaka Sat Feb 20 04:00:23 1999
20. Computer Science: Re: i need some fun recomended websites for ks3 learning, Nigel Barker, Head of Science, International School of Lusaka Tue Oct 23 01:22:23 2001