Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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A question about a two-stage light gas gun technology

Last post by AmyCowen « Mon Nov 02, 2020 4:13 pm
Replies: 3
by abdalrahman_azab » Thu Oct 22, 2020 2:02 pm

3 Replies

2242 Views

Last post by AmyCowen
Mon Nov 02, 2020 4:13 pm
Seebeck Effect: Turn Heat into Electricity, Then Measure It with a Thermocouple Thermometer

Last post by dcnick96 « Sun Oct 25, 2020 7:00 pm
Replies: 2
by hyadlapally » Sun Oct 25, 2020 10:12 am

2 Replies

2384 Views

Last post by dcnick96
Sun Oct 25, 2020 7:00 pm
Einstein’s general relativity

Last post by MadelineB « Fri Oct 23, 2020 7:28 pm
Replies: 3
by ElliotBorn » Sun Oct 18, 2020 10:20 pm

3 Replies

1987 Views

Last post by MadelineB
Fri Oct 23, 2020 7:28 pm
HELP! QUESTIONS ABOUT Sucrose & Glucose & Fructose, Oh My! Uncovering Hidden Sugar in Your Food experiment.

Last post by audreyln « Tue Oct 20, 2020 11:39 am
Replies: 1
by TS04 » Sun Oct 18, 2020 6:10 pm

1 Replies

2028 Views

Last post by audreyln
Tue Oct 20, 2020 11:39 am
what happens during the electrolysis of potassium aluminate and koh

Last post by LouisCouryBiogen « Sun Oct 11, 2020 4:30 pm
Replies: 1
by PlatinumDrakes » Tue Jun 09, 2020 5:37 pm

1 Replies

7333 Views

Last post by LouisCouryBiogen
Sun Oct 11, 2020 4:30 pm
bioconductors

Last post by cmpayne « Fri Oct 02, 2020 4:20 pm
Replies: 1
by melissevillanueva » Fri Oct 02, 2020 12:25 am

1 Replies

1711 Views

Last post by cmpayne
Fri Oct 02, 2020 4:20 pm
help with super hard chem question (asap)

Last post by MadelineB « Wed Sep 30, 2020 2:05 pm
Replies: 1
by 46568cd5c34a426ea0ee3e5d734f3542 » Wed Sep 30, 2020 7:11 am

1 Replies

1865 Views

Last post by MadelineB
Wed Sep 30, 2020 2:05 pm
Light barrier

Last post by cvionis « Sun Sep 27, 2020 5:56 pm
Replies: 1
by Theoreticalphysicist23 » Sun Sep 27, 2020 5:32 am

1 Replies

1881 Views

Last post by cvionis
Sun Sep 27, 2020 5:56 pm
Do you think Physical science will eventually answer all metaphysical questions?

Last post by cvionis « Sun Sep 06, 2020 10:51 am
Replies: 1
by insanbelti4 » Sat Sep 05, 2020 12:12 pm

1 Replies

1826 Views

Last post by cvionis
Sun Sep 06, 2020 10:51 am
Need Help with Planet Hunters TESS project

Last post by bunbun401 « Sat Sep 05, 2020 6:04 am

by bunbun401 » Sat Sep 05, 2020 6:04 am

0 Replies

3847 Views

Last post by bunbun401
Sat Sep 05, 2020 6:04 am
How to hack an air-gapped system by screen brightness

Last post by AmyCowen « Mon Sep 14, 2020 9:01 am
Replies: 1
by Harshini_20 » Sat Sep 05, 2020 3:40 am

1 Replies

20733 Views

Last post by AmyCowen
Mon Sep 14, 2020 9:01 am
Electro Magnetic Train (Please Help Us)

Last post by debbiek0822 « Fri Sep 04, 2020 5:12 am

by debbiek0822 » Fri Sep 04, 2020 5:12 am

0 Replies

4010 Views

Last post by debbiek0822
Fri Sep 04, 2020 5:12 am
L1 Hypothesis testing questions

Last post by cvionis « Sun Aug 30, 2020 5:45 pm
Replies: 1
by uvikamelis9 » Fri Aug 28, 2020 4:06 am

1 Replies

1894 Views

Last post by cvionis
Sun Aug 30, 2020 5:45 pm
light reflection makes light darker?

Last post by dewaegal « Wed Aug 19, 2020 3:20 pm
Replies: 2
by dewaegal » Wed Aug 12, 2020 4:16 am

2 Replies

2630 Views

Last post by dewaegal
Wed Aug 19, 2020 3:20 pm
Need ideas for a year long science project

Last post by norman40 « Wed Aug 19, 2020 3:03 pm
Replies: 1
by meh1 » Wed Aug 19, 2020 12:04 am

1 Replies

1802 Views

Last post by norman40
Wed Aug 19, 2020 3:03 pm
Will mating aluminum to steel help with help with heat transfer through the steel?

Last post by jah-reddit « Sun Aug 16, 2020 10:15 am
Replies: 2
by jah-reddit » Wed Aug 12, 2020 3:53 pm

2 Replies

6686 Views

Last post by jah-reddit
Sun Aug 16, 2020 10:15 am
Electrical charge density

Last post by MadelineB « Thu Aug 13, 2020 2:25 pm
Replies: 1
by Needytater » Fri Jul 24, 2020 2:25 pm

1 Replies

2216 Views

Last post by MadelineB
Thu Aug 13, 2020 2:25 pm
TMS Eelectromagnetic Computer Simulation Feasibility

Last post by Bubbly123 « Tue Aug 11, 2020 10:59 am

by Bubbly123 » Tue Aug 11, 2020 10:59 am

0 Replies

18151 Views

Last post by Bubbly123
Tue Aug 11, 2020 10:59 am
Measuring oxygen levels and carbon dioxide in the air at home

Last post by Sadiaak « Thu Aug 06, 2020 11:51 am
Replies: 7
by Sadiaak » Tue Jul 28, 2020 12:46 pm

7 Replies

4206 Views

Last post by Sadiaak
Thu Aug 06, 2020 11:51 am
apple oxidation experiment inquiry

Last post by norman40 « Wed Aug 12, 2020 2:37 pm
Replies: 1
by 1bf5d22e786445dfbbec2793f0817710 » Wed Aug 05, 2020 7:02 pm

1 Replies

3557 Views

Last post by norman40
Wed Aug 12, 2020 2:37 pm
sunspot cycles

Last post by AmyCowen « Tue Aug 04, 2020 11:04 am
Replies: 1
by double07 » Mon Aug 03, 2020 12:56 pm

1 Replies

1785 Views

Last post by AmyCowen
Tue Aug 04, 2020 11:04 am
Dark Matter/Dark Energy & The Holographic Universe Theory

Last post by AmyCowen « Wed Jul 29, 2020 1:03 pm
Replies: 1
by Badbear87 » Tue Jun 30, 2020 1:21 am

1 Replies

6245 Views

Last post by AmyCowen
Wed Jul 29, 2020 1:03 pm
Is invisibility too far fetched?

Last post by AmyCowen « Wed Jul 29, 2020 12:44 pm
Replies: 1
by Not32Letters » Wed Jul 22, 2020 7:54 pm

1 Replies

22469 Views

Last post by AmyCowen
Wed Jul 29, 2020 12:44 pm
Conductivity

Last post by AmyCowen « Tue Jul 28, 2020 5:03 pm
Replies: 1
by qozosidi » Mon Jul 27, 2020 12:45 am

1 Replies

1700 Views

Last post by AmyCowen
Tue Jul 28, 2020 5:03 pm
Using Kepler Space Telescope Data to Identify an Exoplanet

Last post by LeungWilley « Thu Jul 23, 2020 6:06 pm
Replies: 1
by 82c4aaeb51244dc686aff4df268ab0bc » Mon Jul 20, 2020 9:20 am

1 Replies

5834 Views

Last post by LeungWilley
Thu Jul 23, 2020 6:06 pm
I need help with topic!

Last post by MadelineB « Thu Jul 23, 2020 2:56 pm
Replies: 4
by msher11 » Mon Jun 29, 2020 1:41 pm

4 Replies

38448 Views

Last post by MadelineB
Thu Jul 23, 2020 2:56 pm
What am I calculating?!?

Last post by JeremyBelpois « Sat Jul 18, 2020 6:47 pm
Replies: 2
by JeremyBelpois » Sat Jul 04, 2020 7:58 pm

2 Replies

2217 Views

Last post by JeremyBelpois
Sat Jul 18, 2020 6:47 pm
Lowering pH of sodium hypochlorite

Last post by charlesg « Sun Jul 12, 2020 2:09 pm
Replies: 3
by sh415 » Sat Jul 04, 2020 6:09 pm

3 Replies

2710 Views

Last post by charlesg
Sun Jul 12, 2020 2:09 pm
Is this sound waves??

Last post by MadelineB « Wed Jul 01, 2020 2:41 pm
Replies: 1
by kyobona » Wed Jul 01, 2020 4:55 am

1 Replies

6305 Views

Last post by MadelineB
Wed Jul 01, 2020 2:41 pm
WAAS capabilities

Last post by LeungWilley « Thu Jun 25, 2020 2:43 pm
Replies: 1
by MakaylaBryant » Wed Jun 24, 2020 3:10 pm

1 Replies

6253 Views

Last post by LeungWilley
Thu Jun 25, 2020 2:43 pm
Hyperfine Structures

Last post by dcnick96 « Tue Jun 23, 2020 6:05 pm
Replies: 1
by 3dBrilliance » Mon Jun 22, 2020 10:45 am

1 Replies

1920 Views

Last post by dcnick96
Tue Jun 23, 2020 6:05 pm
Black holes

Last post by dcnick96 « Tue Jun 23, 2020 6:04 pm
Replies: 1
by Benjjones » Mon Jun 22, 2020 10:51 am

1 Replies

1958 Views

Last post by dcnick96
Tue Jun 23, 2020 6:04 pm
Testing the affects of electro magnetic resonance on bacteria and viruses

Last post by ninjaracer1223 « Mon Jun 22, 2020 12:25 am
Replies: 2
by ninjaracer1223 » Thu Apr 23, 2020 1:08 pm

2 Replies

2412 Views

Last post by ninjaracer1223
Mon Jun 22, 2020 12:25 am
Shape of an antenna

Last post by charlesg « Sat Jun 20, 2020 5:01 pm
Replies: 1
by Archerbaird » Wed Jun 17, 2020 9:23 am

1 Replies

6158 Views

Last post by charlesg
Sat Jun 20, 2020 5:01 pm
Cymatics home project idea possible?

Last post by ChemistB « Mon Jun 15, 2020 11:27 am
Replies: 2
by ChemistB » Tue May 26, 2020 3:20 am

2 Replies

2763 Views

Last post by ChemistB
Mon Jun 15, 2020 11:27 am
Does increasing the mass of a falling object change its acceleration? DUE TOMMOROW!!!!!!

Last post by NewtonsApple « Sun Jun 14, 2020 1:53 am
Replies: 2
by NewtonsApple » Sat May 30, 2020 7:35 pm

2 Replies

2027 Views

Last post by NewtonsApple
Sun Jun 14, 2020 1:53 am
BPA

Last post by charlesg « Sun Jun 07, 2020 12:32 pm
Replies: 1
by 5a23ee773dac4e4db9d8e9dc07a950b7 » Mon Jun 01, 2020 4:59 am

1 Replies

1780 Views

Last post by charlesg
Sun Jun 07, 2020 12:32 pm
Small light reflection related to Microscope

Last post by charlesg « Sun Jun 07, 2020 12:29 pm
Replies: 1
by Garchu » Tue Jun 02, 2020 6:17 am

1 Replies

25359 Views

Last post by charlesg
Sun Jun 07, 2020 12:29 pm
Light + Energy Transfer

Last post by charlesg « Sun Jun 07, 2020 12:23 pm
Replies: 1
by Shizuna1 » Wed Jun 03, 2020 11:33 am

1 Replies

1770 Views

Last post by charlesg
Sun Jun 07, 2020 12:23 pm
Dimensions of matter

Last post by Mekonta « Sun Jun 07, 2020 3:33 am

by Mekonta » Sun Jun 07, 2020 3:33 am

0 Replies

3774 Views

Last post by Mekonta
Sun Jun 07, 2020 3:33 am
Can we apply torque on time axis of 4-D spacetime??

Last post by Aarya252 « Fri Jun 05, 2020 11:46 pm

by Aarya252 » Fri Jun 05, 2020 11:46 pm

0 Replies

3908 Views

Last post by Aarya252
Fri Jun 05, 2020 11:46 pm
Interaction of free protons with ordinary matter

Last post by MadelineB « Tue Jun 02, 2020 2:30 pm
Replies: 1
by kartiksoni » Wed May 20, 2020 7:32 am

1 Replies

1813 Views

Last post by MadelineB
Tue Jun 02, 2020 2:30 pm
Cushioning Effect of Straw at Terminal Velocity

Last post by charlesg « Mon May 25, 2020 1:13 pm
Replies: 1
by TheOneAndOnlyX » Sat May 23, 2020 5:59 pm

1 Replies

2328 Views

Last post by charlesg
Mon May 25, 2020 1:13 pm
Physics question

Last post by charlesg « Mon May 25, 2020 12:48 pm
Replies: 1
by Bhegtvya » Fri May 22, 2020 11:07 pm

1 Replies

1760 Views

Last post by charlesg
Mon May 25, 2020 12:48 pm
Chemistry

Last post by cvionis « Sun May 24, 2020 9:20 pm
Replies: 1
by Hunter34 » Sat May 23, 2020 5:35 am

1 Replies

2149 Views

Last post by cvionis
Sun May 24, 2020 9:20 pm
Decaffeination of energy drinks

Last post by charlesg « Sun May 24, 2020 6:33 pm
Replies: 1
by 07e15809a4f84e0aac063bee42f8f1fc » Sun May 24, 2020 6:38 am

1 Replies

2588 Views

Last post by charlesg
Sun May 24, 2020 6:33 pm
Recording On a Wire Variables

Last post by Venum « Tue May 19, 2020 11:18 pm
Replies: 6
by Venum » Sat May 09, 2020 8:16 am

6 Replies

2666 Views

Last post by Venum
Tue May 19, 2020 11:18 pm
Science data analysis and graphs

Last post by AmyCowen « Mon May 18, 2020 3:27 pm
Replies: 1
by SJT7 » Mon May 18, 2020 5:53 am

1 Replies

1751 Views

Last post by AmyCowen
Mon May 18, 2020 3:27 pm
electron orbit

Last post by MadelineB « Sat May 16, 2020 2:43 pm
Replies: 1
by AaravShah716 » Mon May 11, 2020 10:02 am

1 Replies

1691 Views

Last post by MadelineB
Sat May 16, 2020 2:43 pm

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