Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Back EMF permanent electromagnetic motor generators

Last post by mkhashimoto22 « Fri Oct 28, 2011 10:02 pm
Replies: 4
by mkhashimoto22 » Thu Oct 20, 2011 4:03 pm

4 Replies

6953 Views

Last post by mkhashimoto22
Fri Oct 28, 2011 10:02 pm
Enzymology ideas?

Last post by aelin « Fri Dec 02, 2011 10:09 am
Replies: 6
by ngrohan17 » Thu Oct 27, 2011 7:25 pm

6 Replies

6087 Views

Last post by aelin
Fri Dec 02, 2011 10:09 am
Measuring Skyglow; HELP PLEASE

Last post by Craig_Bridge « Wed Oct 26, 2011 3:32 pm
Replies: 8
by Karmas » Mon Dec 01, 2008 7:16 pm

8 Replies

7188 Views

Last post by Craig_Bridge
Wed Oct 26, 2011 3:32 pm
Science Project Title

Last post by Ray Trent « Tue Oct 25, 2011 10:15 pm
Replies: 2
by cshellokitty » Sun Oct 23, 2011 5:45 pm

2 Replies

3628 Views

Last post by Ray Trent
Tue Oct 25, 2011 10:15 pm
Thermoacoustics project ideas?

Last post by edneu3 « Thu Oct 20, 2011 8:16 am
Replies: 1
by horselover102006 » Wed Oct 19, 2011 11:45 pm

1 Replies

3174 Views

Last post by edneu3
Thu Oct 20, 2011 8:16 am
Science Fair Project Help

Last post by Ray Trent « Tue Oct 18, 2011 9:36 pm
Replies: 3
by RituDhar » Mon Oct 10, 2011 5:06 pm

3 Replies

5657 Views

Last post by Ray Trent
Tue Oct 18, 2011 9:36 pm
Double machine

Last post by theborg « Tue Oct 18, 2011 2:52 am
Replies: 2
by Tarx » Mon Oct 17, 2011 8:05 am

2 Replies

3517 Views

Last post by theborg
Tue Oct 18, 2011 2:52 am
Idea for science fair

Last post by theborg « Tue Oct 18, 2011 12:53 am
Replies: 1
by jason.jeong.96 » Sun Oct 16, 2011 10:15 am

1 Replies

3467 Views

Last post by theborg
Tue Oct 18, 2011 12:53 am
calorie burning

Last post by HeatherL « Mon Oct 24, 2011 5:44 pm
Replies: 4
by Tarx » Wed Oct 12, 2011 8:01 pm

4 Replies

5289 Views

Last post by HeatherL
Mon Oct 24, 2011 5:44 pm
the cancer genome anatomy project

Last post by amyc « Tue Oct 18, 2011 10:45 am
Replies: 2
by alexpark0606 » Sun Oct 16, 2011 4:45 pm

2 Replies

3861 Views

Last post by amyc
Tue Oct 18, 2011 10:45 am
Heelp ! Asaap , pleaase !

Last post by theborg « Sat Oct 15, 2011 3:37 am
Replies: 1
by SherryBerry » Fri Oct 14, 2011 1:46 pm

1 Replies

2942 Views

Last post by theborg
Sat Oct 15, 2011 3:37 am
Question for small model :)

Last post by audreyln « Thu Oct 13, 2011 11:45 pm
Replies: 7
by raghad » Thu Sep 29, 2011 4:36 am

7 Replies

5630 Views

Last post by audreyln
Thu Oct 13, 2011 11:45 pm
heat transfer

Last post by theborg « Wed Oct 12, 2011 6:39 pm
Replies: 3
by jokolk1972 » Tue Oct 11, 2011 11:52 pm

3 Replies

4268 Views

Last post by theborg
Wed Oct 12, 2011 6:39 pm
the cancer genome anatomy project

Last post by HeatherL « Tue Oct 25, 2011 11:15 am
Replies: 6
by alexpark0606 » Wed Oct 12, 2011 6:31 am

6 Replies

4909 Views

Last post by HeatherL
Tue Oct 25, 2011 11:15 am
cyclohexane to benzene

Last post by wendellwiggins « Wed Oct 12, 2011 3:21 pm
Replies: 2
by saz336 » Wed Oct 12, 2011 8:32 am

2 Replies

4234 Views

Last post by wendellwiggins
Wed Oct 12, 2011 3:21 pm
Electrolytes and sports drinks

Last post by theborg « Tue Oct 11, 2011 2:59 pm
Replies: 1
by lemonade » Mon Oct 10, 2011 11:03 pm

1 Replies

5169 Views

Last post by theborg
Tue Oct 11, 2011 2:59 pm
urgent, magnets

Last post by meganmega « Sun Oct 09, 2011 2:17 pm
Replies: 1
by jacob_teed » Sun Oct 09, 2011 10:04 am

1 Replies

2990 Views

Last post by meganmega
Sun Oct 09, 2011 2:17 pm
Self Propelled Car

Last post by Goldenzenith « Sat Oct 08, 2011 6:30 pm
Replies: 2
by kwilson » Fri Oct 07, 2011 7:07 pm

2 Replies

4234 Views

Last post by Goldenzenith
Sat Oct 08, 2011 6:30 pm
Stirling Engine + Internal Combustion engine?

Last post by edneu3 « Thu Oct 06, 2011 2:54 pm
Replies: 2
by mohanbharath » Mon Sep 26, 2011 7:58 pm

2 Replies

4816 Views

Last post by edneu3
Thu Oct 06, 2011 2:54 pm
How a radio works.

Last post by wendellwiggins « Wed Oct 05, 2011 6:59 am
Replies: 1
by Mattias » Wed Oct 05, 2011 4:27 am

1 Replies

3196 Views

Last post by wendellwiggins
Wed Oct 05, 2011 6:59 am
Testing Tap Water

Last post by jackharrar « Tue Oct 04, 2011 9:58 am
Replies: 2
by Agarplate » Wed Jul 20, 2011 2:28 am

2 Replies

4156 Views

Last post by jackharrar
Tue Oct 04, 2011 9:58 am
science project

Last post by wendellwiggins « Tue Oct 04, 2011 7:39 am
Replies: 2
by shay1998 » Sat Oct 01, 2011 12:03 pm

2 Replies

3315 Views

Last post by wendellwiggins
Tue Oct 04, 2011 7:39 am
Commnication project

Last post by k4gfwgerry « Wed Sep 21, 2011 3:38 pm
Replies: 1
by BONTHAVAMSEE » Sun Jul 31, 2011 9:36 am

1 Replies

2913 Views

Last post by k4gfwgerry
Wed Sep 21, 2011 3:38 pm
of laser pointer and data track spacing of CD

Last post by wendellwiggins « Wed Sep 21, 2011 1:56 pm
Replies: 1
by sci_manic » Sat Sep 17, 2011 2:51 am

1 Replies

4269 Views

Last post by wendellwiggins
Wed Sep 21, 2011 1:56 pm
Chemistry Experiments for 10th Grade Honors

Last post by Goldenzenith « Sat Sep 17, 2011 5:54 pm
Replies: 2
by badwolf1011 » Fri Sep 09, 2011 2:39 pm

2 Replies

11891 Views

Last post by Goldenzenith
Sat Sep 17, 2011 5:54 pm
Molecular Energy Minimization

Last post by ericjang « Fri Nov 04, 2011 6:16 pm
Replies: 8
by ericjang » Sun Sep 11, 2011 11:33 am

8 Replies

6474 Views

Last post by ericjang
Fri Nov 04, 2011 6:16 pm
Deposition of object in a river

Last post by Flex86 « Sat Sep 10, 2011 7:22 am
Replies: 3
by Flex86 » Sun Sep 04, 2011 10:09 am

3 Replies

3943 Views

Last post by Flex86
Sat Sep 10, 2011 7:22 am
microphone

Last post by Craig_Bridge « Thu Sep 08, 2011 7:52 am
Replies: 1
by jumeetha » Wed Sep 07, 2011 1:10 am

1 Replies

3124 Views

Last post by Craig_Bridge
Thu Sep 08, 2011 7:52 am
best thickness of insulation for preventing heat loss

Last post by dason29 « Fri Sep 02, 2011 9:05 am
Replies: 3
by mf2010 » Tue Aug 23, 2011 9:20 pm

3 Replies

6197 Views

Last post by dason29
Fri Sep 02, 2011 9:05 am
Getting started with my science fair project ......

Last post by dason29 « Fri Sep 02, 2011 9:00 am
Replies: 4
by speakerbox » Mon Aug 29, 2011 6:42 pm

4 Replies

6959 Views

Last post by dason29
Fri Sep 02, 2011 9:00 am
AM Radio Transmitter - Mic as Sound Source?

Last post by jjoseff « Thu Aug 25, 2011 6:52 am
Replies: 7
by ericaz » Mon May 24, 2010 11:21 pm

7 Replies

6728 Views

Last post by jjoseff
Thu Aug 25, 2011 6:52 am
Electrolyte Challenge: Orange Juice vs. Sports Drink

Last post by Craig_Bridge « Wed Aug 24, 2011 10:41 am
Replies: 8
by chrissy57 » Sun Feb 13, 2011 9:04 pm

8 Replies

7418 Views

Last post by Craig_Bridge
Wed Aug 24, 2011 10:41 am
I need help now.

Last post by barretttomlinson « Mon Aug 15, 2011 6:08 pm
Replies: 1
by clemsontdaniel » Mon Aug 15, 2011 5:10 pm

1 Replies

3487 Views

Last post by barretttomlinson
Mon Aug 15, 2011 6:08 pm
Help Required for Blade profile design !!

Last post by Craig_Bridge « Thu Aug 11, 2011 6:42 am
Replies: 1
by Supersaiyan » Fri Aug 05, 2011 6:57 am

1 Replies

2858 Views

Last post by Craig_Bridge
Thu Aug 11, 2011 6:42 am
How to make a theft detection system?

Last post by Craig_Bridge « Thu Aug 04, 2011 7:46 am
Replies: 1
by BONTHAVAMSEE » Sun Jul 31, 2011 12:10 am

1 Replies

2989 Views

Last post by Craig_Bridge
Thu Aug 04, 2011 7:46 am
Impact G-forces

Last post by Craig_Bridge « Wed Aug 03, 2011 3:58 pm
Replies: 1
by braeden1 » Mon Aug 01, 2011 4:16 pm

1 Replies

3483 Views

Last post by Craig_Bridge
Wed Aug 03, 2011 3:58 pm
How do i calculate magnetic coils output volts ?

Last post by Craig_Bridge « Thu Jul 28, 2011 9:29 am
Replies: 3
by smart45 » Wed Jun 24, 2009 2:16 pm

3 Replies

4918 Views

Last post by Craig_Bridge
Thu Jul 28, 2011 9:29 am
Please help! Deadline tomorrow!

Last post by Craig_Bridge « Wed Jul 20, 2011 3:18 pm
Replies: 1
by Ashlucy » Sun Jul 17, 2011 11:44 pm

1 Replies

3003 Views

Last post by Craig_Bridge
Wed Jul 20, 2011 3:18 pm
about model rocket

Last post by Craig_Bridge « Wed Jul 20, 2011 3:02 pm
Replies: 1
by sudikshya » Wed Jul 06, 2011 8:16 am

1 Replies

4800 Views

Last post by Craig_Bridge
Wed Jul 20, 2011 3:02 pm
Help please! Science project question

Last post by donnahardy2 « Mon Jul 18, 2011 4:52 pm
Replies: 1
by meganruby » Sat Jul 16, 2011 9:16 pm

1 Replies

2910 Views

Last post by donnahardy2
Mon Jul 18, 2011 4:52 pm
chemistry

Last post by barretttomlinson « Sat Jul 16, 2011 7:44 pm
Replies: 1
by pchhiller » Fri Jul 15, 2011 6:16 am

1 Replies

3844 Views

Last post by barretttomlinson
Sat Jul 16, 2011 7:44 pm
applications of camera

Last post by barretttomlinson « Fri Jul 15, 2011 3:02 am
Replies: 1
by prtktwari1990 » Thu Jul 14, 2011 9:36 am

1 Replies

3681 Views

Last post by barretttomlinson
Fri Jul 15, 2011 3:02 am
HELP

Last post by Craig_Bridge « Wed Jul 13, 2011 9:50 am
Replies: 1
by Syzygy » Mon Jul 11, 2011 5:53 am

1 Replies

2654 Views

Last post by Craig_Bridge
Wed Jul 13, 2011 9:50 am
Drag;Air Friction

Last post by Craig_Bridge « Wed Jul 06, 2011 11:05 am
Replies: 1
by Light Man » Sat Jun 25, 2011 12:25 am

1 Replies

3335 Views

Last post by Craig_Bridge
Wed Jul 06, 2011 11:05 am
Video Projects

Last post by PRAKASHKUMAR « Mon Jul 04, 2011 4:49 am
Replies: 1
by carlos sagan » Mon Jul 04, 2011 4:17 am

1 Replies

3135 Views

Last post by PRAKASHKUMAR
Mon Jul 04, 2011 4:49 am
Fire Extinguishers

Last post by Emotality « Sat Jul 02, 2011 7:45 am
Replies: 2
by Emotality » Sun Jun 26, 2011 6:07 am

2 Replies

4552 Views

Last post by Emotality
Sat Jul 02, 2011 7:45 am
physics

Last post by rmarz « Sat Jun 25, 2011 8:21 am
Replies: 3
by smart04 » Thu Jun 16, 2011 12:58 am

3 Replies

3452 Views

Last post by rmarz
Sat Jun 25, 2011 8:21 am
Substitutes for hydrocloric acid simulating stomach acid

Last post by Craig_Bridge « Thu Jun 16, 2011 11:12 am
Replies: 1
by terrihill » Wed Jun 15, 2011 5:34 pm

1 Replies

7092 Views

Last post by Craig_Bridge
Thu Jun 16, 2011 11:12 am
ferrofluids in transformers

Last post by Craig_Bridge « Wed Jun 08, 2011 1:42 pm
Replies: 5
by runalian » Wed Dec 24, 2008 7:04 pm

5 Replies

5742 Views

Last post by Craig_Bridge
Wed Jun 08, 2011 1:42 pm
physics

Last post by Craig_Bridge « Wed Jun 08, 2011 1:36 pm
Replies: 1
by narendrancv » Sun Jun 05, 2011 8:22 am

1 Replies

2901 Views

Last post by Craig_Bridge
Wed Jun 08, 2011 1:36 pm

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