Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Axial flow fan blade design

Last post by Craig_Bridge « Wed Jun 08, 2011 1:24 pm
Replies: 1
by urmilshah » Thu May 26, 2011 9:31 pm

1 Replies

4117 Views

Last post by Craig_Bridge
Wed Jun 08, 2011 1:24 pm
Nutrition Science Fair Project?

Last post by Craig_Bridge « Wed Jun 01, 2011 8:18 am
Replies: 1
by beachbum9605 » Tue May 31, 2011 6:58 pm

1 Replies

4567 Views

Last post by Craig_Bridge
Wed Jun 01, 2011 8:18 am
Speed of matter

Last post by rmarz « Sat May 21, 2011 11:06 am
Replies: 1
by Bshapiro2012 » Sat May 21, 2011 8:49 am

1 Replies

3138 Views

Last post by rmarz
Sat May 21, 2011 11:06 am
Electrolytes - Orange Juice and Sports Drinks. ASAP!

Last post by Craig_Bridge « Fri May 20, 2011 10:30 am
Replies: 2
by DeclanCoulson » Tue May 10, 2011 12:33 am

2 Replies

6362 Views

Last post by Craig_Bridge
Fri May 20, 2011 10:30 am
How Can I find the rate on Baking soda and vinegar reacting?

Last post by Serje « Fri May 20, 2011 2:21 am
Replies: 10
by m2woolridge » Thu Nov 15, 2007 10:14 am

10 Replies

60031 Views

Last post by Serje
Fri May 20, 2011 2:21 am
Physical Science

Last post by edneu3 « Thu May 19, 2011 12:24 pm
Replies: 1
by docka » Tue May 17, 2011 6:56 am

1 Replies

4184 Views

Last post by edneu3
Thu May 19, 2011 12:24 pm
Permanent paper

Last post by barretttomlinson « Thu May 19, 2011 4:18 am
Replies: 6
by crusharsh » Fri Apr 29, 2011 12:09 am

6 Replies

5297 Views

Last post by barretttomlinson
Thu May 19, 2011 4:18 am
Electrolyte Challenge: Sports Drink VS. Orange Juice

Last post by Craig_Bridge « Wed May 11, 2011 12:11 pm
Replies: 5
by demetria1028 » Thu Jan 27, 2011 10:26 am

5 Replies

9986 Views

Last post by Craig_Bridge
Wed May 11, 2011 12:11 pm
Astronomy

Last post by Craig_Bridge « Thu May 05, 2011 7:22 am
Replies: 3
by ishaan1101 » Tue Apr 26, 2011 3:12 am

3 Replies

4147 Views

Last post by Craig_Bridge
Thu May 05, 2011 7:22 am
future chemistry

Last post by barretttomlinson « Tue May 03, 2011 2:21 am
Replies: 6
by PRAKASHKUMAR » Fri Apr 29, 2011 3:22 am

6 Replies

6480 Views

Last post by barretttomlinson
Tue May 03, 2011 2:21 am
laundry detergent

Last post by Craig_Bridge « Wed Apr 27, 2011 1:38 pm
Replies: 4
by ladacious mitchell » Tue Oct 12, 2010 12:04 pm

4 Replies

9962 Views

Last post by Craig_Bridge
Wed Apr 27, 2011 1:38 pm
singing wine glasses

Last post by Craig_Bridge « Wed Apr 27, 2011 1:33 pm
Replies: 1
by rennie » Tue Apr 26, 2011 5:25 am

1 Replies

4697 Views

Last post by Craig_Bridge
Wed Apr 27, 2011 1:33 pm
role of salt bridge in voltaic cell

Last post by Skydude176 « Mon Apr 25, 2011 1:37 pm
Replies: 2
by Skydude176 » Sun Apr 24, 2011 7:17 pm

2 Replies

4876 Views

Last post by Skydude176
Mon Apr 25, 2011 1:37 pm
Colloidal Silver Generator - Reducing amperage

Last post by Kathy74868 « Fri Apr 22, 2011 1:37 am
Replies: 4
by Kathy74868 » Tue Apr 19, 2011 3:19 am

4 Replies

26096 Views

Last post by Kathy74868
Fri Apr 22, 2011 1:37 am
Calibrating strain gauge

Last post by physicsstudent « Tue Apr 19, 2011 7:16 pm
Replies: 3
by physicsstudent » Thu Apr 07, 2011 2:11 pm

3 Replies

4874 Views

Last post by physicsstudent
Tue Apr 19, 2011 7:16 pm
Rocketology: Baking Soda + Vinegar = Lift Off

Last post by Ray Trent « Mon Apr 18, 2011 8:07 pm
Replies: 2
by gabrieladeleon » Sat Apr 09, 2011 7:21 am

2 Replies

13721 Views

Last post by Ray Trent
Mon Apr 18, 2011 8:07 pm
Using a Laser Pointer to Measure the Data Track Spacing on C

Last post by danielpower « Thu Apr 14, 2011 7:29 am
Replies: 14
by fsbs7983 » Tue Jan 18, 2011 10:22 pm

14 Replies

8437 Views

Last post by danielpower
Thu Apr 14, 2011 7:29 am
Using a Laser Pointer to Measure the Data Track Spacing

Last post by kgudger « Fri Apr 08, 2011 10:43 am
Replies: 1
by amyc » Fri Apr 08, 2011 10:03 am

1 Replies

3815 Views

Last post by kgudger
Fri Apr 08, 2011 10:43 am
How Does Color Affect Heating by Absorption of Light?

Last post by edneu3 « Thu Apr 07, 2011 12:31 pm
Replies: 1
by coloursoftherainbow » Wed Apr 06, 2011 7:05 pm

1 Replies

9113 Views

Last post by edneu3
Thu Apr 07, 2011 12:31 pm
Effect of an electric current on a spiral metal spring

Last post by edneu3 « Thu Apr 07, 2011 12:15 pm
Replies: 1
by physicsstudent » Wed Apr 06, 2011 12:50 pm

1 Replies

5238 Views

Last post by edneu3
Thu Apr 07, 2011 12:15 pm
How do you test if a crystal is anisotropic?

Last post by Craig_Bridge « Thu Apr 07, 2011 10:43 am
Replies: 1
by physicsstudent » Wed Apr 06, 2011 6:11 pm

1 Replies

2768 Views

Last post by Craig_Bridge
Thu Apr 07, 2011 10:43 am
Subsonic Wind Tunnel Design

Last post by Craig_Bridge « Thu Apr 07, 2011 10:31 am
Replies: 6
by epwaotl » Mon Oct 06, 2008 2:42 pm

6 Replies

26508 Views

Last post by Craig_Bridge
Thu Apr 07, 2011 10:31 am
Want to make Science Project

Last post by umaranjum « Fri Apr 01, 2011 7:29 am
Replies: 2
by umaranjum » Sun Mar 27, 2011 10:01 pm

2 Replies

5484 Views

Last post by umaranjum
Fri Apr 01, 2011 7:29 am
Is it a valid science fair project?

Last post by Craig_Bridge « Wed Mar 30, 2011 6:50 pm
Replies: 2
by Jaychandran » Thu Mar 24, 2011 11:05 pm

2 Replies

3668 Views

Last post by Craig_Bridge
Wed Mar 30, 2011 6:50 pm
Electrical Currents Through A Potato

Last post by Craig_Bridge « Wed Mar 30, 2011 6:37 pm
Replies: 2
by mick.faith » Thu Mar 24, 2011 4:08 pm

2 Replies

7394 Views

Last post by Craig_Bridge
Wed Mar 30, 2011 6:37 pm
Using a Laser Pointer to Measure the Data Track Spacing on C

Last post by Craig_Bridge « Wed Mar 30, 2011 6:34 pm
Replies: 1
by Zdude » Fri Mar 25, 2011 4:21 am

1 Replies

3005 Views

Last post by Craig_Bridge
Wed Mar 30, 2011 6:34 pm
Derivation Of The Fermat's Law Formula?

Last post by barretttomlinson « Sat Mar 26, 2011 4:06 am
Replies: 1
by jivy » Fri Mar 25, 2011 8:03 am

1 Replies

3822 Views

Last post by barretttomlinson
Sat Mar 26, 2011 4:06 am
Interference of waves

Last post by barretttomlinson « Sun Mar 20, 2011 2:15 am
Replies: 1
by deepitaroy » Sat Mar 19, 2011 3:06 am

1 Replies

3135 Views

Last post by barretttomlinson
Sun Mar 20, 2011 2:15 am
Literature Review

Last post by barretttomlinson « Sat Mar 19, 2011 3:07 am
Replies: 1
by reyrey12 » Fri Mar 18, 2011 9:37 pm

1 Replies

3687 Views

Last post by barretttomlinson
Sat Mar 19, 2011 3:07 am
relevant

Last post by Craig_Bridge « Thu Mar 17, 2011 10:49 am
Replies: 1
by reyrey12 » Wed Mar 16, 2011 9:51 pm

1 Replies

6011 Views

Last post by Craig_Bridge
Thu Mar 17, 2011 10:49 am
Troubleshooting Recording on a Wire

Last post by Craig_Bridge « Wed Mar 16, 2011 10:53 am
Replies: 1
by 898poirot » Tue Mar 15, 2011 6:27 pm

1 Replies

2873 Views

Last post by Craig_Bridge
Wed Mar 16, 2011 10:53 am
Can I control the magnetic field?

Last post by Ray Trent « Mon Mar 14, 2011 2:23 pm
Replies: 3
by baraa121 » Mon Mar 07, 2011 9:35 pm

3 Replies

4230 Views

Last post by Ray Trent
Mon Mar 14, 2011 2:23 pm
Experiment on reaction tempo - Help!

Last post by Janika « Fri Mar 11, 2011 6:31 am
Replies: 4
by Janika » Mon Mar 07, 2011 8:45 am

4 Replies

5449 Views

Last post by Janika
Fri Mar 11, 2011 6:31 am
electrial & electronics engineering

Last post by prasanth « Fri Mar 04, 2011 8:29 pm
Replies: 2
by prasanth » Mon Jan 24, 2011 12:47 am

2 Replies

3520 Views

Last post by prasanth
Fri Mar 04, 2011 8:29 pm
Major problem: Future of LEDs project

Last post by SirDV95 « Wed Mar 02, 2011 4:47 pm
Replies: 3
by SirDV95 » Sun Feb 20, 2011 12:56 pm

3 Replies

3820 Views

Last post by SirDV95
Wed Mar 02, 2011 4:47 pm
Physical Science

Last post by Craig_Bridge « Tue Mar 01, 2011 8:20 am
Replies: 1
by smartheart22 » Fri Feb 18, 2011 6:08 pm

1 Replies

3011 Views

Last post by Craig_Bridge
Tue Mar 01, 2011 8:20 am
Physics

Last post by JasonS « Wed Feb 23, 2011 5:20 pm
Replies: 1
by Kathy22 » Sat Feb 19, 2011 5:15 pm

1 Replies

3221 Views

Last post by JasonS
Wed Feb 23, 2011 5:20 pm
Chemistry: Triclosan

Last post by Ray Trent « Mon Feb 21, 2011 9:09 pm
Replies: 1
by banyen » Mon Feb 21, 2011 12:30 pm

1 Replies

3021 Views

Last post by Ray Trent
Mon Feb 21, 2011 9:09 pm
Capacititative Stylus for touchscreens: Research plan help

Last post by Ray Trent « Mon Feb 21, 2011 9:07 pm
Replies: 1
by Dineshster » Sat Feb 19, 2011 3:08 pm

1 Replies

2820 Views

Last post by Ray Trent
Mon Feb 21, 2011 9:07 pm
Passive/Sustainable Home Building

Last post by barretttomlinson « Mon Feb 21, 2011 4:10 am
Replies: 6
by S.Lotus2 » Sat Jan 29, 2011 7:01 pm

6 Replies

5099 Views

Last post by barretttomlinson
Mon Feb 21, 2011 4:10 am
Tensile Tester help

Last post by audreyln « Fri Feb 18, 2011 7:16 am
Replies: 1
by allykatd » Thu Feb 17, 2011 4:08 pm

1 Replies

3085 Views

Last post by audreyln
Fri Feb 18, 2011 7:16 am
Speed of Light HELP pleas

Last post by barretttomlinson « Wed Feb 16, 2011 2:11 am
Replies: 1
by hunnybunny722 » Tue Feb 15, 2011 5:54 am

1 Replies

3012 Views

Last post by barretttomlinson
Wed Feb 16, 2011 2:11 am
Mousetrap Car Won't Move Far

Last post by falloffaclift « Sun Feb 13, 2011 3:29 pm
Replies: 2
by falloffaclift » Sun Feb 13, 2011 9:19 am

2 Replies

21007 Views

Last post by falloffaclift
Sun Feb 13, 2011 3:29 pm
how to test the QUANTITY of sugar in chewing gum

Last post by barretttomlinson « Sat Feb 12, 2011 2:57 am
Replies: 11
by lydialollies » Fri Feb 04, 2011 6:44 pm

11 Replies

11581 Views

Last post by barretttomlinson
Sat Feb 12, 2011 2:57 am
Stealth and Interpreting Lux Readings

Last post by Craig_Bridge « Tue Feb 08, 2011 4:28 pm
Replies: 2
by nmurali23 » Fri Feb 04, 2011 4:47 pm

2 Replies

4218 Views

Last post by Craig_Bridge
Tue Feb 08, 2011 4:28 pm
Shear rate of a fluid

Last post by barretttomlinson « Sun Feb 06, 2011 5:49 am
Replies: 1
by braeden1 » Sat Feb 05, 2011 10:22 pm

1 Replies

3859 Views

Last post by barretttomlinson
Sun Feb 06, 2011 5:49 am
Microbial Fuel Cell

Last post by Craig_Bridge « Thu Feb 03, 2011 5:27 pm
Replies: 4
by ohmyghosh3 » Sun Jan 23, 2011 3:45 pm

4 Replies

3919 Views

Last post by Craig_Bridge
Thu Feb 03, 2011 5:27 pm
Spare-Change Circus: Walking Coins on a (Vertical!) 'High Wi

Last post by Craig_Bridge « Thu Feb 03, 2011 5:16 pm
Replies: 4
by sparemeafew » Wed Jan 19, 2011 5:56 am

4 Replies

4436 Views

Last post by Craig_Bridge
Thu Feb 03, 2011 5:16 pm
Question on independent variable

Last post by edneu3 « Thu Feb 03, 2011 1:31 pm
Replies: 1
by rvgene » Thu Feb 03, 2011 9:27 am

1 Replies

6045 Views

Last post by edneu3
Thu Feb 03, 2011 1:31 pm
NEED HELP ON SCIENCE FAIR DESPERATELY

Last post by agm « Tue Feb 01, 2011 12:26 pm
Replies: 1
by brennanclh » Thu Jan 27, 2011 4:03 pm

1 Replies

4382 Views

Last post by agm
Tue Feb 01, 2011 12:26 pm

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