Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Electrolytic Capacitors

Last post by LeungWilley « Fri Nov 17, 2017 11:39 am
Replies: 3
by 89836a72a2864d3ebdd716cfddf7c272 » Thu Nov 16, 2017 9:09 pm

3 Replies

2679 Views

Last post by LeungWilley
Fri Nov 17, 2017 11:39 am
zapping yeast with x rays

Last post by jkarnes « Thu Nov 16, 2017 2:44 pm
Replies: 1
by 5a2e68ffc2f344a19bc82babedb5a118 » Wed Nov 15, 2017 6:00 pm

1 Replies

2102 Views

Last post by jkarnes
Thu Nov 16, 2017 2:44 pm
freezing water question

Last post by jkarnes « Thu Nov 16, 2017 2:39 pm
Replies: 1
by trom » Wed Nov 15, 2017 5:03 pm

1 Replies

2126 Views

Last post by jkarnes
Thu Nov 16, 2017 2:39 pm
The force required to destroy earth...

Last post by jkarnes « Thu Nov 16, 2017 2:29 pm
Replies: 1
by jrr015 » Tue Nov 14, 2017 4:50 pm

1 Replies

3127 Views

Last post by jkarnes
Thu Nov 16, 2017 2:29 pm
Newton's Second Law

Last post by norman40 « Wed Nov 15, 2017 4:15 pm
Replies: 1
by DrZombie » Wed Nov 15, 2017 7:25 am

1 Replies

2100 Views

Last post by norman40
Wed Nov 15, 2017 4:15 pm
Water to Fuel to Water Experiment

Last post by eedoherty « Tue Nov 14, 2017 12:14 pm
Replies: 5
by Nivek23 » Sun Nov 12, 2017 9:01 pm

5 Replies

3148 Views

Last post by eedoherty
Tue Nov 14, 2017 12:14 pm
Sodium Hydroxide Solution

Last post by eedoherty « Mon Nov 13, 2017 12:51 pm
Replies: 1
by CSIGUY » Fri May 19, 2017 9:57 am

1 Replies

3405 Views

Last post by eedoherty
Mon Nov 13, 2017 12:51 pm
"fixing" an Aerobed inflatable DC motor-based air pump, the undelying electronics desigh?

Last post by rmarz « Sun Nov 12, 2017 10:41 am
Replies: 1
by Xman01 » Thu Nov 09, 2017 11:49 pm

1 Replies

8384 Views

Last post by rmarz
Sun Nov 12, 2017 10:41 am
I need help building my science fair project

Last post by varsha19 « Sun Nov 12, 2017 10:38 am
Replies: 2
by Manarzoulfikar » Sat Nov 11, 2017 1:18 pm

2 Replies

2146 Views

Last post by varsha19
Sun Nov 12, 2017 10:38 am
Pulley

Last post by ultramatt « Fri Nov 10, 2017 5:29 pm
Replies: 1
by CBLOCH » Tue Nov 07, 2017 3:02 pm

1 Replies

2673 Views

Last post by ultramatt
Fri Nov 10, 2017 5:29 pm
Where would a time machine be...?

Last post by Lars__ « Fri Nov 10, 2017 11:51 am
Replies: 3
by Lars__ » Fri Nov 03, 2017 3:37 am

3 Replies

2447 Views

Last post by Lars__
Fri Nov 10, 2017 11:51 am
help me please if youre good a chemistry

Last post by amyc « Mon Nov 06, 2017 12:16 pm
Replies: 1
by 6dc7bddc357b4c7b8a0fc9b6fc0c8ace » Mon Nov 06, 2017 9:59 am

1 Replies

12321 Views

Last post by amyc
Mon Nov 06, 2017 12:16 pm
Stoichiometry Help Needed

Last post by MadelineB « Sun Nov 05, 2017 1:46 pm
Replies: 1
by lotuseater » Sat Nov 04, 2017 8:26 am

1 Replies

2045 Views

Last post by MadelineB
Sun Nov 05, 2017 1:46 pm
The Cool Blue Light of Luminol

Last post by LeungWilley « Thu Nov 02, 2017 4:42 pm
Replies: 8
by Utanova » Thu Dec 29, 2016 1:56 pm

8 Replies

5687 Views

Last post by LeungWilley
Thu Nov 02, 2017 4:42 pm
Will the work done be path independent in such a conservative force field

Last post by MadelineB « Wed Nov 01, 2017 9:09 pm
Replies: 1
by 68e26b39afdf4dd5af3015e3e0a0e2d3 » Tue Oct 31, 2017 8:30 pm

1 Replies

1811 Views

Last post by MadelineB
Wed Nov 01, 2017 9:09 pm
Water purification

Last post by audreyln « Tue Oct 31, 2017 7:22 am
Replies: 1
by steevod » Tue Oct 31, 2017 5:11 am

1 Replies

1908 Views

Last post by audreyln
Tue Oct 31, 2017 7:22 am
How to find the arago/fresnel/poisson's spot

Last post by varsha19 « Sun Oct 29, 2017 9:52 pm
Replies: 2
by Shadhin98 » Fri Oct 27, 2017 9:39 pm

2 Replies

2633 Views

Last post by varsha19
Sun Oct 29, 2017 9:52 pm
Help Please!

Last post by dcnick96 « Sun Oct 29, 2017 7:08 pm
Replies: 1
by mustanggt0430 » Sun Oct 29, 2017 2:46 pm

1 Replies

1995 Views

Last post by dcnick96
Sun Oct 29, 2017 7:08 pm
Chemistry

Last post by kaylimasuda « Sun Oct 29, 2017 9:18 am
Replies: 1
by noorsoleman » Sun Oct 29, 2017 7:30 am

1 Replies

2320 Views

Last post by kaylimasuda
Sun Oct 29, 2017 9:18 am
The Chemistry of Cake

Last post by NathanielBee « Fri Oct 27, 2017 8:14 am
Replies: 3
by NathanielBee » Tue Oct 17, 2017 9:00 am

3 Replies

3914 Views

Last post by NathanielBee
Fri Oct 27, 2017 8:14 am
Evaporative Cooler Project

Last post by LeungWilley « Thu Oct 26, 2017 5:37 pm
Replies: 1
by TimetoLearn » Thu Oct 26, 2017 11:25 am

1 Replies

1906 Views

Last post by LeungWilley
Thu Oct 26, 2017 5:37 pm
I need help for an awesome title!

Last post by theborg « Wed Oct 25, 2017 6:41 am
Replies: 1
by sciencehelp8885 » Tue Oct 24, 2017 4:05 pm

1 Replies

2226 Views

Last post by theborg
Wed Oct 25, 2017 6:41 am
Absorption of Radiant Energy by Different Colors

Last post by amyc « Fri Oct 20, 2017 11:01 am
Replies: 1
by jaciehayes » Fri Oct 20, 2017 9:19 am

1 Replies

13353 Views

Last post by amyc
Fri Oct 20, 2017 11:01 am
Electromagnets

Last post by norman40 « Wed Oct 18, 2017 10:43 am
Replies: 2
by derekcoffsky » Tue Oct 17, 2017 3:51 pm

2 Replies

2555 Views

Last post by norman40
Wed Oct 18, 2017 10:43 am
Waves through salt water

Last post by norman40 « Wed Oct 18, 2017 10:24 am
Replies: 1
by Maggiedamon » Sun Oct 15, 2017 8:29 pm

1 Replies

1979 Views

Last post by norman40
Wed Oct 18, 2017 10:24 am
Absorption of Radiant Energy by Different Colors

Last post by norman40 « Wed Oct 18, 2017 10:10 am
Replies: 1
by jaciehayes » Sun Oct 15, 2017 5:24 pm

1 Replies

2748 Views

Last post by norman40
Wed Oct 18, 2017 10:10 am
Mechanical Properties for my project

Last post by norman40 « Tue Oct 17, 2017 3:43 pm
Replies: 3
by Mimmim » Tue Sep 26, 2017 9:17 pm

3 Replies

2629 Views

Last post by norman40
Tue Oct 17, 2017 3:43 pm
Maillard Reaction

Last post by eedoherty « Mon Oct 16, 2017 8:21 pm
Replies: 1
by sparklekoala » Mon Oct 16, 2017 12:30 pm

1 Replies

2060 Views

Last post by eedoherty
Mon Oct 16, 2017 8:21 pm
Science regarding turning on/off light

Last post by dcnick96 « Sat Oct 14, 2017 8:57 pm
Replies: 1
by dfichtman » Sat Oct 14, 2017 8:30 pm

1 Replies

2048 Views

Last post by dcnick96
Sat Oct 14, 2017 8:57 pm
Reflected rays when using prism; does it affect the result of the experiment?

Last post by jkarnes « Thu Oct 12, 2017 12:43 pm
Replies: 1
by Muggo » Thu Oct 12, 2017 10:44 am

1 Replies

2206 Views

Last post by jkarnes
Thu Oct 12, 2017 12:43 pm
Portable water filter using reliable and cheap materials

Last post by varsha19 « Mon Oct 09, 2017 3:35 pm
Replies: 2
by anonymousdolphin » Sat Oct 07, 2017 2:01 pm

2 Replies

4171 Views

Last post by varsha19
Mon Oct 09, 2017 3:35 pm
Sodium nitrate and nitrite

Last post by Quark2 « Sun Oct 08, 2017 5:27 pm
Replies: 1
by Clockia » Sun Oct 08, 2017 12:14 pm

1 Replies

2187 Views

Last post by Quark2
Sun Oct 08, 2017 5:27 pm
Need a Title for my Science Fair Project ASAP!!

Last post by audreyln « Tue Oct 03, 2017 7:46 pm
Replies: 1
by ilovescienceandmath » Tue Oct 03, 2017 9:22 am

1 Replies

2228 Views

Last post by audreyln
Tue Oct 03, 2017 7:46 pm
How can I build an electromagnetic switch?

Last post by varsha19 « Sun Oct 01, 2017 4:39 pm
Replies: 1
by AdibC » Sun Oct 01, 2017 11:47 am

1 Replies

6349 Views

Last post by varsha19
Sun Oct 01, 2017 4:39 pm
Need Help on Reactants and Products

Last post by jkarnes « Sat Sep 30, 2017 4:41 pm
Replies: 3
by AngekNoakPardk » Fri Sep 22, 2017 5:04 pm

3 Replies

3857 Views

Last post by jkarnes
Sat Sep 30, 2017 4:41 pm
JSHS project, Tesla Coils

Last post by jkarnes « Sat Sep 30, 2017 4:26 pm
Replies: 1
by eripa3629 » Thu Sep 28, 2017 5:45 am

1 Replies

19340 Views

Last post by jkarnes
Sat Sep 30, 2017 4:26 pm
How to build kicking machine

Last post by jkarnes « Sat Sep 30, 2017 4:12 pm
Replies: 1
by CRodgers10 » Thu Sep 28, 2017 5:11 pm

1 Replies

2810 Views

Last post by jkarnes
Sat Sep 30, 2017 4:12 pm
What other game site can I use for, making a video game for the blind?

Last post by ultramatt « Fri Sep 29, 2017 4:16 pm
Replies: 1
by f40eb0dc440649a1b910abdeb2cf1eb0 » Thu Sep 28, 2017 7:41 am

1 Replies

2117 Views

Last post by ultramatt
Fri Sep 29, 2017 4:16 pm
Extracting Energy from Grass

Last post by norman40 « Wed Sep 27, 2017 4:42 pm
Replies: 1
by iibowwowii » Tue Sep 26, 2017 5:24 pm

1 Replies

2323 Views

Last post by norman40
Wed Sep 27, 2017 4:42 pm
Physics [Bernoulli]

Last post by varsha19 « Sun Sep 24, 2017 1:52 pm
Replies: 2
by juliusvandenhe00 » Sun Jul 23, 2017 7:56 pm

2 Replies

2654 Views

Last post by varsha19
Sun Sep 24, 2017 1:52 pm
Cold Pack Chemistry

Last post by varsha19 « Sun Sep 24, 2017 1:43 pm
Replies: 2
by gabbity » Wed Sep 20, 2017 4:06 pm

2 Replies

2899 Views

Last post by varsha19
Sun Sep 24, 2017 1:43 pm
Relative velocity

Last post by rmarz « Sat Sep 23, 2017 1:59 pm
Replies: 3
by Homanshu » Fri Sep 22, 2017 11:42 am

3 Replies

2884 Views

Last post by rmarz
Sat Sep 23, 2017 1:59 pm
Dope solution

Last post by norman40 « Wed Sep 20, 2017 10:40 am
Replies: 1
by noorsoleman » Sun Sep 17, 2017 7:51 pm

1 Replies

2048 Views

Last post by norman40
Wed Sep 20, 2017 10:40 am
Earthquake App with Seismic Wave Sensor to detect incoming earthquakes in the philippines

Last post by norman40 « Sun Sep 17, 2017 2:35 pm
Replies: 1
by booksandstuff1 » Wed Jun 21, 2017 5:41 am

1 Replies

2683 Views

Last post by norman40
Sun Sep 17, 2017 2:35 pm
Diamagnetism and Eddy currents

Last post by norman40 « Sun Sep 17, 2017 2:22 pm
Replies: 1
by Pagliacci » Wed Jun 21, 2017 8:21 pm

1 Replies

2638 Views

Last post by norman40
Sun Sep 17, 2017 2:22 pm
Degree of unsaturation in an oil/fat

Last post by varsha19 « Sat Sep 16, 2017 6:02 pm
Replies: 1
by Riamems » Fri Jun 30, 2017 4:12 am

1 Replies

3591 Views

Last post by varsha19
Sat Sep 16, 2017 6:02 pm
I have a question!

Last post by varsha19 « Sat Sep 16, 2017 5:48 pm
Replies: 1
by varney67890 » Fri Sep 15, 2017 2:16 pm

1 Replies

2045 Views

Last post by varsha19
Sat Sep 16, 2017 5:48 pm
Element and compound idea of Dalton?

Last post by varsha19 « Sat Sep 16, 2017 5:40 pm
Replies: 1
by TheTruth1 » Tue May 23, 2017 7:24 am

1 Replies

2792 Views

Last post by varsha19
Sat Sep 16, 2017 5:40 pm
Condensation

Last post by varsha19 « Sat Sep 16, 2017 5:36 pm
Replies: 1
by Kingofhearts33 » Wed Jun 21, 2017 2:03 am

1 Replies

2840 Views

Last post by varsha19
Sat Sep 16, 2017 5:36 pm
Hydrogen Peroxide

Last post by cumulonimbus « Sat Sep 16, 2017 10:47 am
Replies: 1
by amandajahanvi » Sat May 20, 2017 5:00 pm

1 Replies

2659 Views

Last post by cumulonimbus
Sat Sep 16, 2017 10:47 am

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