Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Last post

Construction Problem with Hovercraft

Last post by paulsdecarli « Fri Dec 26, 2008 2:06 pm
Replies: 1
by SciFi1 » Fri Dec 26, 2008 1:39 pm

1 Replies

6386 Views

Last post by paulsdecarli
Fri Dec 26, 2008 2:06 pm
Recycling Exhaust From Vents

Last post by davidkallman « Tue Dec 23, 2008 2:32 pm
Replies: 1
by keith_1990 » Mon Dec 22, 2008 7:07 pm

1 Replies

3374 Views

Last post by davidkallman
Tue Dec 23, 2008 2:32 pm
Need some help with my project

Last post by paulsdecarli « Sat Dec 20, 2008 2:26 pm
Replies: 5
by th3xf4ctor » Thu Dec 18, 2008 1:37 pm

5 Replies

4500 Views

Last post by paulsdecarli
Sat Dec 20, 2008 2:26 pm
solar energy education websites,resources

Last post by barretttomlinson « Thu Dec 18, 2008 1:37 am
Replies: 1
by kjvisser » Wed Dec 17, 2008 8:53 pm

1 Replies

3532 Views

Last post by barretttomlinson
Thu Dec 18, 2008 1:37 am
bio metallurgy

Last post by donnahardy2 « Sun Dec 14, 2008 11:40 am
Replies: 2
by jiju thomas » Tue Dec 09, 2008 9:19 am

2 Replies

4325 Views

Last post by donnahardy2
Sun Dec 14, 2008 11:40 am
Force of Attraction between Solenod and bar magnet

Last post by ChrisG « Thu Dec 11, 2008 10:51 am
Replies: 3
by soumaz07 » Mon Nov 03, 2008 12:42 pm

3 Replies

8218 Views

Last post by ChrisG
Thu Dec 11, 2008 10:51 am
BPA Effect in Microwaves

Last post by saraljalan « Wed Dec 10, 2008 8:25 pm
Replies: 5
by saraljalan » Thu Oct 30, 2008 2:35 pm

5 Replies

6028 Views

Last post by saraljalan
Wed Dec 10, 2008 8:25 pm
Mechanical Engineering

Last post by ChrisB « Tue Dec 09, 2008 10:30 pm
Replies: 3
by ChrisB » Sun Nov 30, 2008 6:19 pm

3 Replies

3895 Views

Last post by ChrisB
Tue Dec 09, 2008 10:30 pm
egg drop

Last post by Craig_Bridge « Tue Dec 09, 2008 10:02 am
Replies: 4
by bstreeter » Mon Dec 08, 2008 4:42 pm

4 Replies

48873 Views

Last post by Craig_Bridge
Tue Dec 09, 2008 10:02 am
Please help! HCO3-/CO2 equilibrium!!

Last post by Craig_Bridge « Mon Dec 08, 2008 11:02 am
Replies: 2
by acuriousperson » Fri Dec 05, 2008 6:39 pm

2 Replies

3949 Views

Last post by Craig_Bridge
Mon Dec 08, 2008 11:02 am
titration HELP!!!!

Last post by kgudger « Sun Dec 07, 2008 10:20 pm
Replies: 1
by jnovak » Sun Dec 07, 2008 7:54 pm

1 Replies

3067 Views

Last post by kgudger
Sun Dec 07, 2008 10:20 pm
I NEED HElP W/ MY RESEARCH

Last post by Gizzmo46 « Sat Dec 06, 2008 8:45 pm
Replies: 1
by VIVALA.BAM21 » Sat Dec 06, 2008 7:01 pm

1 Replies

3448 Views

Last post by Gizzmo46
Sat Dec 06, 2008 8:45 pm
Tesla Coils

Last post by barretttomlinson « Fri Dec 05, 2008 12:16 am
Replies: 1
by katrina612 » Thu Dec 04, 2008 8:53 pm

1 Replies

4411 Views

Last post by barretttomlinson
Fri Dec 05, 2008 12:16 am
AntiBubbles: Science Fair '08-'09

Last post by MFagan « Sat Nov 29, 2008 8:20 pm
Replies: 24
by Michael » Sat Sep 27, 2008 7:31 am

24 Replies

25350 Views

Last post by MFagan
Sat Nov 29, 2008 8:20 pm
Catapult Help

Last post by Gizzmo46 « Sat Nov 29, 2008 1:00 pm
Replies: 3
by Willz » Tue Dec 11, 2007 5:25 pm

3 Replies

31618 Views

Last post by Gizzmo46
Sat Nov 29, 2008 1:00 pm
I NEED AN IDEA PLEASE

Last post by kgudger « Sun Nov 23, 2008 1:19 pm
Replies: 1
by Andrew Montano » Sun Nov 23, 2008 9:14 am

1 Replies

3447 Views

Last post by kgudger
Sun Nov 23, 2008 1:19 pm
Wind Turbines

Last post by barretttomlinson « Fri Nov 21, 2008 2:48 am
Replies: 1
by JoeB 101 » Thu Nov 20, 2008 4:30 pm

1 Replies

4201 Views

Last post by barretttomlinson
Fri Nov 21, 2008 2:48 am
thermochemistry project

Last post by sharpie18 « Thu Nov 20, 2008 6:44 pm
Replies: 2
by sharpie18 » Sun Nov 16, 2008 7:52 pm

2 Replies

4788 Views

Last post by sharpie18
Thu Nov 20, 2008 6:44 pm
which style of rifle will fire more accurate than the other

Last post by fredwetzler « Mon Nov 17, 2008 7:01 pm
Replies: 5
by bryangullickson » Wed Nov 12, 2008 7:51 am

5 Replies

8594 Views

Last post by fredwetzler
Mon Nov 17, 2008 7:01 pm
Need help urgently with science project! Orange J Experiment

Last post by jnovak « Thu Nov 13, 2008 5:35 pm
Replies: 14
by streetsidedown313 » Sun Oct 28, 2007 2:43 pm

14 Replies

15299 Views

Last post by jnovak
Thu Nov 13, 2008 5:35 pm
microhydro generator

Last post by Craig_Bridge « Tue Nov 11, 2008 9:26 am
Replies: 2
by alexthegreat2 » Mon Nov 10, 2008 10:13 am

2 Replies

4333 Views

Last post by Craig_Bridge
Tue Nov 11, 2008 9:26 am
Independent Variable in Speed of Light Expt.

Last post by barretttomlinson « Tue Nov 11, 2008 12:26 am
Replies: 3
by cooperplus » Sun Nov 09, 2008 2:48 pm

3 Replies

4837 Views

Last post by barretttomlinson
Tue Nov 11, 2008 12:26 am
Where can I buy magnets?

Last post by davidkallman « Sat Nov 08, 2008 7:51 pm
Replies: 5
by energico » Thu Nov 06, 2008 4:48 pm

5 Replies

5776 Views

Last post by davidkallman
Sat Nov 08, 2008 7:51 pm
Radon Emission in Granite

Last post by mfeit « Tue Oct 28, 2008 11:58 am
Replies: 3
by s.taba » Mon Oct 06, 2008 7:44 pm

3 Replies

5346 Views

Last post by mfeit
Tue Oct 28, 2008 11:58 am
Using laser to track gas movement?

Last post by ChrisG « Thu Oct 16, 2008 4:02 pm
Replies: 4
by 0drake0 » Sun Oct 12, 2008 4:04 pm

4 Replies

4313 Views

Last post by ChrisG
Thu Oct 16, 2008 4:02 pm
Testing for Trihalomethanes

Last post by Ray Trent « Wed Oct 15, 2008 2:02 pm
Replies: 3
by bbmalee78 » Thu Oct 09, 2008 7:54 pm

3 Replies

4106 Views

Last post by Ray Trent
Wed Oct 15, 2008 2:02 pm
Pretreatment Flux Rates for Nanofiltration

Last post by agm « Tue Oct 14, 2008 6:22 am
Replies: 29
by scrubjay » Fri Jul 18, 2008 8:57 am

29 Replies

19261 Views

Last post by agm
Tue Oct 14, 2008 6:22 am
writsts' angle on directions and height of volleyball

Last post by michellebayefsky « Sun Oct 12, 2008 2:07 pm
Replies: 1
by leehusy » Fri Oct 10, 2008 3:04 pm

1 Replies

7271 Views

Last post by michellebayefsky
Sun Oct 12, 2008 2:07 pm
Cradle to Grave

Last post by OneBriiguy « Mon Oct 06, 2008 5:16 am
Replies: 2
by hyperchik4eva » Mon Sep 29, 2008 4:21 pm

2 Replies

7464 Views

Last post by OneBriiguy
Mon Oct 06, 2008 5:16 am
hoverbike

Last post by yasinrahman « Sun Oct 05, 2008 12:34 pm
Replies: 6
by ajay » Mon Sep 08, 2008 3:44 am

6 Replies

8159 Views

Last post by yasinrahman
Sun Oct 05, 2008 12:34 pm
Radio Tracking

Last post by Gizzmo46 « Sat Oct 04, 2008 8:09 pm
Replies: 3
by kavanadb » Fri Oct 03, 2008 10:09 am

3 Replies

4221 Views

Last post by Gizzmo46
Sat Oct 04, 2008 8:09 pm
Seismic Isolation Experiment

Last post by ChrisG « Mon Sep 29, 2008 8:11 am
Replies: 6
by chosunboy02 » Thu Sep 25, 2008 12:14 am

6 Replies

5714 Views

Last post by ChrisG
Mon Sep 29, 2008 8:11 am
how can we convert the car fumes into biofuels?

Last post by agm « Wed Sep 24, 2008 8:49 pm
Replies: 7
by jiju thomas » Wed Sep 10, 2008 6:27 am

7 Replies

6043 Views

Last post by agm
Wed Sep 24, 2008 8:49 pm
Magnetic Levitation?

Last post by yasinrahman « Tue Sep 23, 2008 4:25 pm
Replies: 2
by loonygirl1395 » Fri Sep 12, 2008 4:49 am

2 Replies

5132 Views

Last post by yasinrahman
Tue Sep 23, 2008 4:25 pm
Black Holes.........is this a good topic

Last post by Gizzmo46 « Sat Sep 20, 2008 8:28 pm
Replies: 2
by umers56 » Fri Sep 19, 2008 5:13 pm

2 Replies

4925 Views

Last post by Gizzmo46
Sat Sep 20, 2008 8:28 pm
Paper Decomposition

Last post by ChrisG « Sat Sep 20, 2008 8:53 am
Replies: 3
by scienceheadache » Thu Sep 18, 2008 11:52 am

3 Replies

5178 Views

Last post by ChrisG
Sat Sep 20, 2008 8:53 am
Procedure!! Reaction time due Tomorrow

Last post by MelissaB « Fri Sep 19, 2008 11:28 am
Replies: 2
by BringthePaine » Thu Sep 18, 2008 6:40 pm

2 Replies

3762 Views

Last post by MelissaB
Fri Sep 19, 2008 11:28 am
52A too much for a 20A device? What do I need to do?

Last post by Craig_Bridge « Fri Sep 19, 2008 6:23 am
Replies: 5
by bigdog989 » Thu Sep 18, 2008 4:51 am

5 Replies

5377 Views

Last post by Craig_Bridge
Fri Sep 19, 2008 6:23 am
Magnetic Levitation

Last post by ChrisG « Thu Sep 18, 2008 2:34 pm
Replies: 3
by pinoy_escibidoo » Sat Sep 13, 2008 8:26 pm

3 Replies

5209 Views

Last post by ChrisG
Thu Sep 18, 2008 2:34 pm
Portable power- a solar powered 110-120v power outlet

Last post by Craig_Bridge « Mon Sep 15, 2008 9:14 am
Replies: 11
by i.need.help » Sun Aug 31, 2008 8:42 pm

11 Replies

15762 Views

Last post by Craig_Bridge
Mon Sep 15, 2008 9:14 am
Ruben's Tube

Last post by davidkallman « Sun Sep 14, 2008 8:44 pm
Replies: 1
by i.need.help » Sun Sep 14, 2008 6:37 pm

1 Replies

4413 Views

Last post by davidkallman
Sun Sep 14, 2008 8:44 pm
magnetism

Last post by MFagan « Mon Sep 08, 2008 9:22 am
Replies: 2
by ajay » Mon Sep 08, 2008 6:25 am

2 Replies

4984 Views

Last post by MFagan
Mon Sep 08, 2008 9:22 am
help pleaseeeee

Last post by agm « Thu Sep 04, 2008 6:20 pm
Replies: 1
by ashleypeace » Thu Sep 04, 2008 5:28 pm

1 Replies

3950 Views

Last post by agm
Thu Sep 04, 2008 6:20 pm
please help me.. Ü

Last post by ChrisG « Thu Sep 04, 2008 10:33 am
Replies: 2
by palomapicart » Thu Sep 04, 2008 5:32 am

2 Replies

4063 Views

Last post by ChrisG
Thu Sep 04, 2008 10:33 am
zinc-air fuell cells

Last post by Terik Daly « Wed Sep 03, 2008 7:49 pm
Replies: 3
by ajay » Wed Sep 03, 2008 1:48 am

3 Replies

4457 Views

Last post by Terik Daly
Wed Sep 03, 2008 7:49 pm
Maglev

Last post by Craig_Bridge « Wed Sep 03, 2008 9:13 am
Replies: 9
by ib_n8 » Thu Aug 28, 2008 3:11 pm

9 Replies

8186 Views

Last post by Craig_Bridge
Wed Sep 03, 2008 9:13 am
calorimeter problem statement

Last post by barretttomlinson « Wed Sep 03, 2008 3:07 am
Replies: 1
by theatrelvr05 » Tue Sep 02, 2008 4:38 pm

1 Replies

3913 Views

Last post by barretttomlinson
Wed Sep 03, 2008 3:07 am
Recording on a wire project

Last post by Terik Daly « Tue Sep 02, 2008 7:16 pm
Replies: 1
by lowrid3r » Tue Sep 02, 2008 10:10 am

1 Replies

3406 Views

Last post by Terik Daly
Tue Sep 02, 2008 7:16 pm
Is this steel project doable?

Last post by Craig_Bridge « Thu Aug 28, 2008 6:16 am
Replies: 7
by hopeless » Sun Aug 17, 2008 11:57 pm

7 Replies

6475 Views

Last post by Craig_Bridge
Thu Aug 28, 2008 6:16 am
science project/ research paper

Last post by emirates « Thu Aug 28, 2008 2:27 am
Replies: 17
by emirates » Mon Mar 17, 2008 11:51 pm

17 Replies

12579 Views

Last post by emirates
Thu Aug 28, 2008 2:27 am

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