Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Cell Phone Radiation

Last post by Terik Daly « Fri Oct 31, 2014 8:10 am
Replies: 1
by BananaBoy180 » Mon Oct 27, 2014 3:22 pm

1 Replies

3977 Views

Last post by Terik Daly
Fri Oct 31, 2014 8:10 am
The formula to calculate the speed of light

Last post by norman40 « Thu Oct 30, 2014 4:58 am
Replies: 4
by bochoa18 » Tue Oct 28, 2014 7:32 pm

4 Replies

3184 Views

Last post by norman40
Thu Oct 30, 2014 4:58 am
I need help with my background research

Last post by Terik Daly « Mon Oct 27, 2014 7:24 am
Replies: 3
by Sarahlopez » Mon Oct 20, 2014 6:38 am

3 Replies

35880 Views

Last post by Terik Daly
Mon Oct 27, 2014 7:24 am
Digital Scale and Interface to PC

Last post by savindwarf « Sat Oct 25, 2014 12:58 pm

by savindwarf » Sat Oct 25, 2014 12:58 pm

0 Replies

21052 Views

Last post by savindwarf
Sat Oct 25, 2014 12:58 pm
Making a Glow Stick

Last post by Terik Daly « Fri Oct 24, 2014 8:02 am
Replies: 1
by its_marissa » Thu Oct 23, 2014 10:06 am

1 Replies

3806 Views

Last post by Terik Daly
Fri Oct 24, 2014 8:02 am
Unsure what to do

Last post by Terik Daly « Fri Oct 24, 2014 7:57 am
Replies: 1
by Jpham » Mon Oct 20, 2014 3:33 pm

1 Replies

20053 Views

Last post by Terik Daly
Fri Oct 24, 2014 7:57 am
Hygrometer

Last post by Terik Daly « Fri Oct 24, 2014 7:32 am
Replies: 1
by scienceturd » Thu Oct 23, 2014 8:16 pm

1 Replies

2132 Views

Last post by Terik Daly
Fri Oct 24, 2014 7:32 am
Problem with Yeast Busters experiment

Last post by norman40 « Thu Oct 23, 2014 4:53 am
Replies: 4
by DavidL » Mon Mar 03, 2014 9:19 pm

4 Replies

3649 Views

Last post by norman40
Thu Oct 23, 2014 4:53 am
Electroscope

Last post by norman40 « Wed Oct 22, 2014 8:48 am
Replies: 1
by Lisawalker » Tue Oct 21, 2014 7:03 pm

1 Replies

3208 Views

Last post by norman40
Wed Oct 22, 2014 8:48 am
Hooke's Law Help Anybody?

Last post by norman40 « Wed Oct 22, 2014 8:14 am
Replies: 5
by ProdigyGenius » Mon Oct 13, 2014 5:18 pm

5 Replies

3670 Views

Last post by norman40
Wed Oct 22, 2014 8:14 am
Science Project Idea Help

Last post by boydrew « Sun Oct 19, 2014 10:21 pm
Replies: 7
by fallingleaves » Sat Sep 13, 2014 11:58 am

7 Replies

4409 Views

Last post by boydrew
Sun Oct 19, 2014 10:21 pm
Vibrational frequency detector circuit

Last post by theborg « Sun Oct 19, 2014 3:40 am
Replies: 1
by 7seven777 » Sat Oct 18, 2014 7:21 pm

1 Replies

2715 Views

Last post by theborg
Sun Oct 19, 2014 3:40 am
Toothpick bridge

Last post by postpremium « Sat Oct 18, 2014 6:02 pm
Replies: 2
by postpremium » Thu Oct 16, 2014 5:38 am

2 Replies

2736 Views

Last post by postpremium
Sat Oct 18, 2014 6:02 pm
Cell Phone Microscope

Last post by LeungWilley « Thu Oct 16, 2014 9:30 pm
Replies: 1
by cisco23 » Thu Oct 16, 2014 9:42 am

1 Replies

2254 Views

Last post by LeungWilley
Thu Oct 16, 2014 9:30 pm
Which food sample would provide 4g of glucose quickly?

Last post by Samira1231 « Wed Oct 15, 2014 5:26 pm
Replies: 4
by Samira1231 » Fri Oct 10, 2014 4:50 pm

4 Replies

2981 Views

Last post by Samira1231
Wed Oct 15, 2014 5:26 pm
How to Graph Data + Literature Review (QUESTIONS)

Last post by PacifiquexCoast « Wed Oct 15, 2014 1:39 pm
Replies: 2
by PacifiquexCoast » Tue Oct 14, 2014 5:01 pm

2 Replies

3280 Views

Last post by PacifiquexCoast
Wed Oct 15, 2014 1:39 pm
I need a project idea!

Last post by theborg « Tue Oct 14, 2014 11:56 am
Replies: 1
by HealDWorld » Tue Oct 14, 2014 10:06 am

1 Replies

2317 Views

Last post by theborg
Tue Oct 14, 2014 11:56 am
Where do I start?

Last post by theborg « Sun Oct 12, 2014 3:04 am
Replies: 3
by louderthanlions » Mon Oct 06, 2014 8:09 am

3 Replies

21103 Views

Last post by theborg
Sun Oct 12, 2014 3:04 am
Energy Related Physics/Chemistry Projects

Last post by ssrivi « Fri Oct 10, 2014 9:13 am
Replies: 2
by ssrivi » Wed Aug 06, 2014 12:39 pm

2 Replies

2717 Views

Last post by ssrivi
Fri Oct 10, 2014 9:13 am
Magnetism idea

Last post by k4gfwgerry « Thu Oct 09, 2014 6:03 am
Replies: 1
by fosterswa » Sat Oct 04, 2014 6:50 pm

1 Replies

2295 Views

Last post by k4gfwgerry
Thu Oct 09, 2014 6:03 am
Cellphone microscope

Last post by k4gfwgerry « Thu Oct 09, 2014 5:57 am
Replies: 1
by cisco23 » Wed Oct 08, 2014 4:36 pm

1 Replies

2558 Views

Last post by k4gfwgerry
Thu Oct 09, 2014 5:57 am
HELP HELP

Last post by rmarz « Sun Oct 05, 2014 3:49 am
Replies: 1
by sanket bagujar » Thu Oct 02, 2014 1:20 am

1 Replies

2149 Views

Last post by rmarz
Sun Oct 05, 2014 3:49 am
How do differnent light affect the germination of bean plant

Last post by yvetteds « Tue Oct 14, 2014 4:32 pm
Replies: 4
by richlyne » Sat Oct 04, 2014 6:17 am

4 Replies

4212 Views

Last post by yvetteds
Tue Oct 14, 2014 4:32 pm
Atmospheric Water Generation

Last post by lm4992 « Mon Sep 29, 2014 8:36 pm
Replies: 2
by lm4992 » Mon Sep 29, 2014 7:43 pm

2 Replies

2959 Views

Last post by lm4992
Mon Sep 29, 2014 8:36 pm
how to filter pond water

Last post by boydrew « Mon Sep 29, 2014 8:32 pm
Replies: 1
by aamnashah9 » Fri Sep 26, 2014 10:09 am

1 Replies

2836 Views

Last post by boydrew
Mon Sep 29, 2014 8:32 pm
Planetary geology research plan

Last post by janet41 « Sun Sep 28, 2014 4:58 pm
Replies: 5
by janet41 » Thu Sep 25, 2014 9:43 am

5 Replies

3889 Views

Last post by janet41
Sun Sep 28, 2014 4:58 pm
Measuring

Last post by Terik Daly « Fri Sep 26, 2014 8:25 am
Replies: 1
by VPChonkria » Wed Sep 24, 2014 9:21 am

1 Replies

2106 Views

Last post by Terik Daly
Fri Sep 26, 2014 8:25 am
Yo Gamma Gamma!

Last post by Terik Daly « Fri Sep 26, 2014 8:20 am
Replies: 1
by MICHAELBONANNO » Wed Sep 24, 2014 5:37 pm

1 Replies

2041 Views

Last post by Terik Daly
Fri Sep 26, 2014 8:20 am
Synthetic Materials

Last post by SciB « Thu Sep 25, 2014 8:56 pm
Replies: 1
by Gem_star » Thu Sep 25, 2014 8:21 am

1 Replies

2101 Views

Last post by SciB
Thu Sep 25, 2014 8:56 pm
Ammonium Perchlorate on Mars

Last post by SciB « Thu Sep 25, 2014 2:02 pm
Replies: 1
by Tyymason » Wed Sep 24, 2014 9:58 am

1 Replies

2814 Views

Last post by SciB
Thu Sep 25, 2014 2:02 pm
Music for Martians: RFID Generated Theremin

Last post by norman40 « Thu Sep 25, 2014 11:15 am
Replies: 3
by gustavopadilla » Mon Sep 22, 2014 10:13 am

3 Replies

2700 Views

Last post by norman40
Thu Sep 25, 2014 11:15 am
Bulletproof Fiberglass

Last post by norman40 « Wed Sep 24, 2014 12:28 pm
Replies: 1
by VPChonkria » Mon Sep 22, 2014 10:12 pm

1 Replies

2604 Views

Last post by norman40
Wed Sep 24, 2014 12:28 pm
purification of water solarly

Last post by norman40 « Wed Sep 24, 2014 8:56 am
Replies: 1
by sotobrizeida » Tue Sep 23, 2014 1:09 pm

1 Replies

2542 Views

Last post by norman40
Wed Sep 24, 2014 8:56 am
Glow Sticks and Luminescence

Last post by norman40 « Wed Sep 24, 2014 8:19 am
Replies: 1
by its_marissa » Mon Sep 22, 2014 9:59 am

1 Replies

4153 Views

Last post by norman40
Wed Sep 24, 2014 8:19 am
How to convert lake water into purified drinking water

Last post by norman40 « Wed Sep 24, 2014 7:28 am
Replies: 1
by sotobrizeida » Mon Sep 22, 2014 6:46 am

1 Replies

2756 Views

Last post by norman40
Wed Sep 24, 2014 7:28 am
Is 'mcd' millicandela or meter candle?

Last post by rmarz « Mon Sep 22, 2014 1:03 am
Replies: 1
by ahhanam » Mon Sep 22, 2014 12:32 am

1 Replies

2652 Views

Last post by rmarz
Mon Sep 22, 2014 1:03 am
how to make project question?

Last post by LeungWilley « Sun Sep 21, 2014 5:23 pm
Replies: 1
by afifah4 » Sat Sep 20, 2014 4:34 am

1 Replies

2369 Views

Last post by LeungWilley
Sun Sep 21, 2014 5:23 pm
Cell Phone Microscope

Last post by LeungWilley « Fri Sep 19, 2014 7:34 pm
Replies: 1
by cisco23 » Fri Sep 19, 2014 10:08 am

1 Replies

2413 Views

Last post by LeungWilley
Fri Sep 19, 2014 7:34 pm
Hydroelectric dams

Last post by LeungWilley « Fri Sep 19, 2014 7:27 pm
Replies: 6
by zetsu98 » Wed Nov 16, 2011 4:55 pm

6 Replies

8518 Views

Last post by LeungWilley
Fri Sep 19, 2014 7:27 pm
how to work with circuit board?

Last post by afifah4 « Fri Sep 19, 2014 4:25 am
Replies: 3
by afifah4 » Sun Aug 31, 2014 8:30 am

3 Replies

3195 Views

Last post by afifah4
Fri Sep 19, 2014 4:25 am
apparent reverse motion in wheels

Last post by boydrew « Mon Sep 15, 2014 5:37 pm
Replies: 1
by hippychris » Mon Sep 01, 2014 4:27 am

1 Replies

21079 Views

Last post by boydrew
Mon Sep 15, 2014 5:37 pm
Engineering Help

Last post by Terik Daly « Fri Sep 12, 2014 11:31 am
Replies: 6
by laurenkim97 » Wed Jul 30, 2014 2:03 pm

6 Replies

3668 Views

Last post by Terik Daly
Fri Sep 12, 2014 11:31 am
Malic Acid Electrolysis (Energy From Apple Juice)

Last post by boydrew « Mon Sep 08, 2014 8:00 pm
Replies: 1
by Gloken » Sun Oct 27, 2013 4:31 pm

1 Replies

3668 Views

Last post by boydrew
Mon Sep 08, 2014 8:00 pm
Physical Chemist?

Last post by boydrew « Mon Sep 08, 2014 7:47 pm
Replies: 1
by mscho527 » Thu May 15, 2014 4:22 am

1 Replies

4942 Views

Last post by boydrew
Mon Sep 08, 2014 7:47 pm
How to increase temperature of two ends of engine equally

Last post by williamcolocho « Mon Sep 08, 2014 2:09 pm
Replies: 2
by stuffandthings » Fri Jan 03, 2014 12:55 am

2 Replies

3270 Views

Last post by williamcolocho
Mon Sep 08, 2014 2:09 pm
robotics

Last post by djgvolt « Sat Sep 06, 2014 8:20 am
Replies: 1
by afifah4 » Sun Aug 31, 2014 7:32 am

1 Replies

2588 Views

Last post by djgvolt
Sat Sep 06, 2014 8:20 am
Safety of working with hydrogen gas

Last post by boydrew « Mon Sep 01, 2014 11:47 am
Replies: 1
by candy4me » Thu Jul 17, 2014 6:59 am

1 Replies

2565 Views

Last post by boydrew
Mon Sep 01, 2014 11:47 am
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

4965 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

11774 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

4166 Views

Last post by theborg
Mon Aug 18, 2014 10:14 am

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