Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Last post

Effectiveness of a Motorized Tracking Solar Panel

Last post by dvscrobe « Thu Aug 28, 2014 4:47 pm
Replies: 4
by dvscrobe » Tue Jan 29, 2013 6:05 pm

4 Replies

5040 Views

Last post by dvscrobe
Thu Aug 28, 2014 4:47 pm
Help with variables please

Last post by NancyRoberts « Wed Aug 27, 2014 10:31 am
Replies: 3
by Danika280984 » Wed Aug 13, 2014 5:48 am

3 Replies

11862 Views

Last post by NancyRoberts
Wed Aug 27, 2014 10:31 am
Study Chirality with a Homemade Polarimeter

Last post by theborg « Mon Aug 18, 2014 10:14 am
Replies: 6
by jzhangx3 » Sat Feb 08, 2014 8:45 am

6 Replies

4184 Views

Last post by theborg
Mon Aug 18, 2014 10:14 am
MAXIMUM VALUE OF ACCELARATION

Last post by divyanshu9 « Sun Aug 17, 2014 7:23 pm
Replies: 4
by divyanshu9 » Fri Aug 15, 2014 12:13 pm

4 Replies

3085 Views

Last post by divyanshu9
Sun Aug 17, 2014 7:23 pm
How Reservoir Height Affects Hydroelectric Power Production

Last post by Ray Trent « Tue Aug 12, 2014 8:41 am
Replies: 1
by SandyBaba123 » Thu Aug 07, 2014 6:26 am

1 Replies

2961 Views

Last post by Ray Trent
Tue Aug 12, 2014 8:41 am
Don't Have the Resources to Physically Prototype My Project

Last post by amyc « Wed Aug 06, 2014 6:44 am
Replies: 3
by akhare » Sun Jun 22, 2014 6:29 pm

3 Replies

6179 Views

Last post by amyc
Wed Aug 06, 2014 6:44 am
How are solid oxide fuel cells kept at high temperatures?

Last post by Ray Trent « Tue Aug 05, 2014 9:58 pm
Replies: 1
by candy4me » Tue Aug 05, 2014 8:04 pm

1 Replies

2788 Views

Last post by Ray Trent
Tue Aug 05, 2014 9:58 pm
solar cell efficiency.

Last post by Ray Trent « Tue Aug 05, 2014 9:33 pm
Replies: 2
by ghebner » Wed Jul 30, 2014 10:08 am

2 Replies

3246 Views

Last post by Ray Trent
Tue Aug 05, 2014 9:33 pm
Need HELP finding Online Design Software

Last post by Ray Trent « Tue Aug 05, 2014 9:29 pm
Replies: 1
by lkim97 » Wed Jul 30, 2014 11:17 am

1 Replies

2635 Views

Last post by Ray Trent
Tue Aug 05, 2014 9:29 pm
Help to formulate research question and topic

Last post by Ray Trent « Tue Aug 05, 2014 9:25 pm
Replies: 1
by jeffce » Tue Jul 29, 2014 8:35 pm

1 Replies

2568 Views

Last post by Ray Trent
Tue Aug 05, 2014 9:25 pm
advice on variables

Last post by SandbaggerOne « Sat Aug 02, 2014 11:40 am
Replies: 1
by Danika280984 » Sat Aug 02, 2014 8:49 am

1 Replies

3074 Views

Last post by SandbaggerOne
Sat Aug 02, 2014 11:40 am
How to use the energy produced during electrolysis of water

Last post by Terik Daly « Fri Jul 25, 2014 7:28 am
Replies: 1
by sciencelover_ » Tue Jul 22, 2014 6:04 am

1 Replies

2517 Views

Last post by Terik Daly
Fri Jul 25, 2014 7:28 am
Deflection of an electron

Last post by Terik Daly « Fri Jul 25, 2014 7:20 am
Replies: 1
by JRCBROOLC » Mon Jul 21, 2014 8:54 am

1 Replies

2180 Views

Last post by Terik Daly
Fri Jul 25, 2014 7:20 am
Hydrogen Generator

Last post by theborg « Tue Jul 15, 2014 1:55 pm
Replies: 1
by cfa13 » Tue Jul 15, 2014 11:38 am

1 Replies

3413 Views

Last post by theborg
Tue Jul 15, 2014 1:55 pm
android controlled robot

Last post by rmarz « Mon Jul 14, 2014 8:52 am
Replies: 1
by sanguine04 » Fri Jul 11, 2014 8:04 pm

1 Replies

2590 Views

Last post by rmarz
Mon Jul 14, 2014 8:52 am
sciene fair ideas for a advanced 9th grader

Last post by theborg « Thu Jul 10, 2014 11:48 pm
Replies: 1
by smart_blonde » Thu Jul 10, 2014 2:59 pm

1 Replies

2680 Views

Last post by theborg
Thu Jul 10, 2014 11:48 pm
Coconut Water

Last post by maxwelmorgen « Mon Jul 07, 2014 2:44 am
Replies: 3
by narang_parth » Thu Dec 13, 2007 8:56 am

3 Replies

28864 Views

Last post by maxwelmorgen
Mon Jul 07, 2014 2:44 am
Where can I get the standard Rf value?

Last post by Ray Trent « Thu Jul 03, 2014 8:54 am
Replies: 1
by SYLIM » Thu Jun 26, 2014 8:11 am

1 Replies

3833 Views

Last post by Ray Trent
Thu Jul 03, 2014 8:54 am
Behavior of a Magnetic Field Generated at the Speed of Light

Last post by Ray Trent « Thu Jul 03, 2014 8:49 am
Replies: 2
by SeaLeg » Tue Jun 17, 2014 9:52 am

2 Replies

3126 Views

Last post by Ray Trent
Thu Jul 03, 2014 8:49 am
Deep Knee Bends: Measuring Knee Stres with Mechanical Model

Last post by Ray Trent « Thu Jul 03, 2014 8:45 am
Replies: 7
by water » Mon Feb 07, 2011 5:41 pm

7 Replies

7916 Views

Last post by Ray Trent
Thu Jul 03, 2014 8:45 am
Testing insulation of materials. URGENT

Last post by jess_kel « Sun Jun 29, 2014 7:12 am
Replies: 2
by jess_kel » Sat Jun 28, 2014 3:14 am

2 Replies

2764 Views

Last post by jess_kel
Sun Jun 29, 2014 7:12 am
Is it possible to use refraction of light to tell....

Last post by rmarz « Sun Jun 15, 2014 8:15 pm
Replies: 1
by Jadeanne » Sun Jun 15, 2014 3:12 pm

1 Replies

2659 Views

Last post by rmarz
Sun Jun 15, 2014 8:15 pm
remote controlled hovercraft

Last post by carlakeegan « Fri Jun 13, 2014 4:30 am
Replies: 5
by reby-14 » Mon Jul 08, 2013 4:18 pm

5 Replies

9541 Views

Last post by carlakeegan
Fri Jun 13, 2014 4:30 am
Investigative Research on Polyisobutylene (PIB)

Last post by amirhdd1 « Thu Jun 05, 2014 8:09 am

by amirhdd1 » Thu Jun 05, 2014 8:09 am

0 Replies

21610 Views

Last post by amirhdd1
Thu Jun 05, 2014 8:09 am
Can you predict the spatter?

Last post by VictoriaW7V « Wed Jun 04, 2014 8:17 pm
Replies: 2
by VictoriaW7V » Mon Jun 02, 2014 2:10 pm

2 Replies

3523 Views

Last post by VictoriaW7V
Wed Jun 04, 2014 8:17 pm
Need help

Last post by emohan « Wed Jun 04, 2014 5:35 pm

by emohan » Wed Jun 04, 2014 5:35 pm

0 Replies

20741 Views

Last post by emohan
Wed Jun 04, 2014 5:35 pm
Light source that refracts full spectrum, other than the sun

Last post by Capt Photon « Wed Jun 04, 2014 11:13 am
Replies: 2
by Capt Photon » Thu May 29, 2014 2:22 pm

2 Replies

3803 Views

Last post by Capt Photon
Wed Jun 04, 2014 11:13 am
Aerodynamic Atmospheric Vortex Engine

Last post by Divyansh Sharma « Wed Jun 04, 2014 9:46 am

by Divyansh Sharma » Wed Jun 04, 2014 9:46 am

0 Replies

20941 Views

Last post by Divyansh Sharma
Wed Jun 04, 2014 9:46 am
Chemistry topics?

Last post by Schmetterling14 « Fri May 30, 2014 2:54 pm
Replies: 2
by mscho527 » Thu May 15, 2014 4:07 am

2 Replies

5527 Views

Last post by Schmetterling14
Fri May 30, 2014 2:54 pm
Bally Chohan - What chemical is that which is around Saturn?

Last post by Schmetterling14 « Fri May 30, 2014 2:45 pm
Replies: 1
by itsvineetkumar » Thu May 22, 2014 12:29 am

1 Replies

21267 Views

Last post by Schmetterling14
Fri May 30, 2014 2:45 pm
Homemade X-Ray Machine

Last post by ayaz15m « Tue May 27, 2014 2:47 pm
Replies: 8
by ayaz15m » Thu May 15, 2014 8:33 am

8 Replies

6812 Views

Last post by ayaz15m
Tue May 27, 2014 2:47 pm
Scientific R&D I Project; Need opinion from an "expert"

Last post by jacobie12 « Tue May 20, 2014 10:53 am
Replies: 2
by jacobie12 » Fri May 16, 2014 11:22 am

2 Replies

2729 Views

Last post by jacobie12
Tue May 20, 2014 10:53 am
Avogadro's

Last post by Six « Sat May 17, 2014 1:41 pm
Replies: 2
by Six » Tue May 13, 2014 12:20 am

2 Replies

2399 Views

Last post by Six
Sat May 17, 2014 1:41 pm
Conductivity

Last post by Six « Wed May 14, 2014 12:18 am
Replies: 3
by Six » Mon May 12, 2014 1:07 pm

3 Replies

3673 Views

Last post by Six
Wed May 14, 2014 12:18 am
Science Fair

Last post by quaid_forbes « Fri May 09, 2014 10:35 pm
Replies: 2
by Jose1 » Mon Dec 02, 2013 7:39 pm

2 Replies

4981 Views

Last post by quaid_forbes
Fri May 09, 2014 10:35 pm
Evaporation measurement and standards

Last post by theborg « Fri May 09, 2014 6:27 am
Replies: 4
by Derson44 » Thu May 01, 2014 11:10 am

4 Replies

4266 Views

Last post by theborg
Fri May 09, 2014 6:27 am
New Angle For Project

Last post by rmarz « Thu May 08, 2014 8:29 pm
Replies: 3
by Science_tints » Tue May 06, 2014 3:04 am

3 Replies

2657 Views

Last post by rmarz
Thu May 08, 2014 8:29 pm
Electrolyte Multimeter Help

Last post by KetchupSeedHD « Mon May 05, 2014 3:59 am
Replies: 5
by mattsacct » Mon Oct 15, 2012 7:59 am

5 Replies

4922 Views

Last post by KetchupSeedHD
Mon May 05, 2014 3:59 am
If water's surface tension is cancelled at 0 gravity..?

Last post by Terik Daly « Fri May 02, 2014 10:49 am
Replies: 1
by supex » Fri May 02, 2014 5:34 am

1 Replies

2288 Views

Last post by Terik Daly
Fri May 02, 2014 10:49 am
Measuring Salinity in Potatoes

Last post by Terik Daly « Fri May 02, 2014 8:42 am
Replies: 7
by cmprpl » Sun Feb 09, 2014 2:16 pm

7 Replies

6738 Views

Last post by Terik Daly
Fri May 02, 2014 8:42 am
AP CHEM question

Last post by Ray Trent « Wed Apr 30, 2014 9:29 pm
Replies: 1
by yxn123 » Wed Apr 30, 2014 5:58 am

1 Replies

2796 Views

Last post by Ray Trent
Wed Apr 30, 2014 9:29 pm
Composition of air

Last post by rmarz « Tue Apr 29, 2014 10:15 pm
Replies: 1
by kwailoh88 » Tue Apr 29, 2014 8:18 pm

1 Replies

2224 Views

Last post by rmarz
Tue Apr 29, 2014 10:15 pm
Airplane Launching System: viable project?

Last post by rmarz « Fri Apr 25, 2014 3:19 pm
Replies: 5
by akhare » Thu Apr 24, 2014 6:12 pm

5 Replies

3534 Views

Last post by rmarz
Fri Apr 25, 2014 3:19 pm
Decrease H2 pressure

Last post by rmarz « Fri Apr 25, 2014 9:54 am
Replies: 1
by trychandararith » Fri Apr 25, 2014 8:05 am

1 Replies

2433 Views

Last post by rmarz
Fri Apr 25, 2014 9:54 am
Volts and Amps..?

Last post by rmarz « Wed Apr 23, 2014 2:43 pm
Replies: 1
by laurenkim97 » Wed Apr 23, 2014 2:20 pm

1 Replies

2878 Views

Last post by rmarz
Wed Apr 23, 2014 2:43 pm
Force

Last post by rmarz « Sun Apr 20, 2014 3:46 pm
Replies: 2
by Deadlock » Sun Apr 20, 2014 3:57 am

2 Replies

2605 Views

Last post by rmarz
Sun Apr 20, 2014 3:46 pm
Voltaic Cell Tuffy!!

Last post by Kwanteq « Wed Apr 16, 2014 5:28 am
Replies: 4
by Kwanteq » Fri Mar 21, 2014 4:42 pm

4 Replies

25936 Views

Last post by Kwanteq
Wed Apr 16, 2014 5:28 am
air bladder

Last post by rmarz « Sun Apr 13, 2014 7:58 am
Replies: 1
by shrewquest » Thu Apr 10, 2014 6:52 am

1 Replies

2630 Views

Last post by rmarz
Sun Apr 13, 2014 7:58 am
Reversing Polarity of electromagnets

Last post by Terik Daly « Fri Apr 11, 2014 10:37 am
Replies: 1
by TheFamousCash » Thu Apr 03, 2014 8:58 am

1 Replies

2901 Views

Last post by Terik Daly
Fri Apr 11, 2014 10:37 am
Mathematics in the sugarcontent measuring project with laser

Last post by Terik Daly « Fri Apr 04, 2014 8:40 am
Replies: 7
by Flame9991 » Thu Mar 27, 2014 6:23 pm

7 Replies

4656 Views

Last post by Terik Daly
Fri Apr 04, 2014 8:40 am

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