Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Bio Concrete// Self- Healing Concrete

Last post by LilGreenFrog « Wed May 13, 2020 2:07 pm
Replies: 1
by linareslan » Mon May 11, 2020 4:32 am

1 Replies

2203 Views

Last post by LilGreenFrog
Wed May 13, 2020 2:07 pm
Thought Experiment: Quantum mechanics and the double slit experiment

Last post by Helithos « Mon May 11, 2020 5:28 am
Replies: 2
by Helithos » Thu May 07, 2020 7:32 am

2 Replies

2299 Views

Last post by Helithos
Mon May 11, 2020 5:28 am
Can Piezoelectricity Be Used and Harvested Underwater?

Last post by charlesg « Sun May 10, 2020 7:11 pm
Replies: 1
by James333 » Wed May 06, 2020 10:30 pm

1 Replies

3195 Views

Last post by charlesg
Sun May 10, 2020 7:11 pm
Wind Tunnel Issues

Last post by MadelineB « Mon May 04, 2020 2:38 pm
Replies: 18
by GouldJoseph » Mon Feb 17, 2020 8:31 am

18 Replies

6384 Views

Last post by MadelineB
Mon May 04, 2020 2:38 pm
Crystallization of Lysozyme

Last post by charlesg « Mon May 04, 2020 10:03 am
Replies: 1
by wjdkim826 » Wed Apr 29, 2020 8:18 pm

1 Replies

2054 Views

Last post by charlesg
Mon May 04, 2020 10:03 am
Rate of Dissolving

Last post by norman40 « Wed Apr 29, 2020 3:45 pm
Replies: 1
by smcgonigle17 » Wed Apr 29, 2020 8:30 am

1 Replies

2510 Views

Last post by norman40
Wed Apr 29, 2020 3:45 pm
The titration of ascorbic acid and iodine solution

Last post by norman40 « Wed Apr 29, 2020 3:33 pm
Replies: 1
by Gracie72 » Sun Apr 26, 2020 8:33 pm

1 Replies

1958 Views

Last post by norman40
Wed Apr 29, 2020 3:33 pm
Astronomy: Planets within Emission Nebulae

Last post by MadelineB « Sun Apr 26, 2020 2:06 pm
Replies: 1
by goodguygrey72 » Thu Apr 23, 2020 6:17 pm

1 Replies

23119 Views

Last post by MadelineB
Sun Apr 26, 2020 2:06 pm
GENERAL CHEMISTRY

Last post by cvionis « Sun Apr 26, 2020 12:12 am
Replies: 1
by peckerson101 » Sat Apr 25, 2020 8:13 am

1 Replies

1740 Views

Last post by cvionis
Sun Apr 26, 2020 12:12 am
black holes and gamma rays

Last post by MadelineB « Thu Apr 23, 2020 2:39 pm
Replies: 1
by ConsensusSkeptic » Tue Apr 21, 2020 2:38 pm

1 Replies

2147 Views

Last post by MadelineB
Thu Apr 23, 2020 2:39 pm
Qualitative data for exothermic reaction rates

Last post by LeungWilley « Thu Apr 23, 2020 1:36 pm
Replies: 3
by taliia » Sat Apr 18, 2020 3:55 am

3 Replies

2284 Views

Last post by LeungWilley
Thu Apr 23, 2020 1:36 pm
Nuclear Sciences Research

Last post by ElizabethBarlett « Thu Apr 23, 2020 5:57 am
Replies: 2
by SaMiller20 » Thu Mar 26, 2020 9:24 am

2 Replies

23931 Views

Last post by ElizabethBarlett
Thu Apr 23, 2020 5:57 am
particles and antiparticles

Last post by cvionis « Sun Apr 19, 2020 9:08 pm
Replies: 1
by Las_Latif » Tue Apr 14, 2020 7:31 am

1 Replies

22861 Views

Last post by cvionis
Sun Apr 19, 2020 9:08 pm
plant carbon dioxide intake and emission

Last post by charlesg « Sun Apr 19, 2020 2:27 pm
Replies: 1
by Jutta » Fri Apr 17, 2020 2:30 am

1 Replies

1947 Views

Last post by charlesg
Sun Apr 19, 2020 2:27 pm
Liquid holding material

Last post by Lewisplackett « Sat Apr 18, 2020 12:40 pm

by Lewisplackett » Sat Apr 18, 2020 12:40 pm

0 Replies

4262 Views

Last post by Lewisplackett
Sat Apr 18, 2020 12:40 pm
Is there acquired tolerance to noisy workplace

Last post by LeungWilley « Thu Apr 16, 2020 6:36 pm
Replies: 1
by alexandre-raufast » Sun Apr 12, 2020 1:38 am

1 Replies

1932 Views

Last post by LeungWilley
Thu Apr 16, 2020 6:36 pm
Can someone PLEASE explain to me what Tri-pole Electromagnetic Fields are?

Last post by AmyCowen « Wed Apr 15, 2020 4:16 pm
Replies: 1
by Lukemorem2356 » Mon Apr 06, 2020 10:18 pm

1 Replies

1719 Views

Last post by AmyCowen
Wed Apr 15, 2020 4:16 pm
Electroplating

Last post by norman40 « Wed Apr 15, 2020 2:24 pm
Replies: 1
by fastrunner101 » Mon Apr 13, 2020 1:26 pm

1 Replies

2432 Views

Last post by norman40
Wed Apr 15, 2020 2:24 pm
Microbial Remediation Experiment

Last post by LilGreenFrog « Wed Jun 24, 2020 10:06 am
Replies: 1
by et9634 » Tue Apr 14, 2020 5:20 am

1 Replies

2146 Views

Last post by LilGreenFrog
Wed Jun 24, 2020 10:06 am
Material and wavelength of light

Last post by charlesg « Sun Apr 12, 2020 3:45 pm
Replies: 1
by 09dfc083ff5247e1b312fdb6a871acfe » Wed Apr 08, 2020 9:37 am

1 Replies

22882 Views

Last post by charlesg
Sun Apr 12, 2020 3:45 pm
Dissolving Zn Nor Fe

Last post by audreyln « Tue Apr 07, 2020 11:51 am
Replies: 1
by wukogixi » Tue Apr 07, 2020 1:20 am

1 Replies

1651 Views

Last post by audreyln
Tue Apr 07, 2020 11:51 am
Biomass - size of willow chipping to energy content

Last post by bakertaylor28 « Mon Apr 06, 2020 6:49 pm
Replies: 1
by Devlin » Mon Apr 06, 2020 5:26 am

1 Replies

1940 Views

Last post by bakertaylor28
Mon Apr 06, 2020 6:49 pm
Effect various light sources have on the rate of a reaction

Last post by cvionis « Wed Apr 01, 2020 5:39 pm
Replies: 3
by dlkmod » Sat Mar 28, 2020 2:22 pm

3 Replies

2390 Views

Last post by cvionis
Wed Apr 01, 2020 5:39 pm
More efficient solar panel system

Last post by MaddiDenton « Sat Mar 28, 2020 8:13 pm
Replies: 1
by Giopoggi2 » Mon Mar 23, 2020 8:11 am

1 Replies

1875 Views

Last post by MaddiDenton
Sat Mar 28, 2020 8:13 pm
Salt water

Last post by norman40 « Thu Mar 26, 2020 3:46 pm
Replies: 1
by MMiddleton » Thu Mar 26, 2020 11:49 am

1 Replies

1686 Views

Last post by norman40
Thu Mar 26, 2020 3:46 pm
Alternatives for fuel combustions

Last post by norman40 « Thu Mar 26, 2020 3:40 pm
Replies: 1
by ef8418aa3822489ca336434eb45e72e9 » Mon Mar 23, 2020 1:48 pm

1 Replies

1646 Views

Last post by norman40
Thu Mar 26, 2020 3:40 pm
Electric generator

Last post by bvionis « Wed Mar 25, 2020 11:57 pm
Replies: 1
by Ezidozit » Mon Mar 23, 2020 12:47 am

1 Replies

3494 Views

Last post by bvionis
Wed Mar 25, 2020 11:57 pm
Physical Science

Last post by cvionis « Sun Mar 22, 2020 8:25 pm
Replies: 1
by Chloe39y » Thu Mar 19, 2020 6:45 pm

1 Replies

1591 Views

Last post by cvionis
Sun Mar 22, 2020 8:25 pm
Build a Simple Electric Motor

Last post by AmyCowen « Sat Mar 21, 2020 6:30 pm
Replies: 1
by BrNDson1020 » Thu Mar 19, 2020 2:07 pm

1 Replies

1975 Views

Last post by AmyCowen
Sat Mar 21, 2020 6:30 pm
Experiment

Last post by norman40 « Thu Mar 19, 2020 4:31 pm
Replies: 3
by e09de9d5ecf0403d8f8291f7c41ad958 » Tue Mar 17, 2020 4:56 pm

3 Replies

1909 Views

Last post by norman40
Thu Mar 19, 2020 4:31 pm
Concave Mirrors problem

Last post by MadelineB « Thu Mar 19, 2020 3:43 pm
Replies: 1
by heyiheardyoureawildone » Wed Mar 18, 2020 11:40 pm

1 Replies

1578 Views

Last post by MadelineB
Thu Mar 19, 2020 3:43 pm
Password hack project

Last post by emyy « Mon Mar 16, 2020 3:19 pm
Replies: 3
by quash21 » Tue Nov 12, 2019 6:53 pm

3 Replies

12649 Views

Last post by emyy
Mon Mar 16, 2020 3:19 pm
Growing Crystals

Last post by nickielinton « Mon Mar 16, 2020 10:08 am
Replies: 2
by nickielinton » Sat Mar 14, 2020 11:36 am

2 Replies

2650 Views

Last post by nickielinton
Mon Mar 16, 2020 10:08 am
query on forces

Last post by MadelineB « Tue Mar 10, 2020 3:55 pm
Replies: 1
by lbk » Tue Mar 10, 2020 9:13 am

1 Replies

1655 Views

Last post by MadelineB
Tue Mar 10, 2020 3:55 pm
Just a Quick Chemistry Question

Last post by audreyln « Tue Mar 03, 2020 4:39 pm
Replies: 1
by cgregory » Tue Mar 03, 2020 12:48 pm

1 Replies

1623 Views

Last post by audreyln
Tue Mar 03, 2020 4:39 pm
Making a spark from a piezoelectric fire starter travel between two metal spheres

Last post by norman40 « Wed Feb 26, 2020 4:24 pm
Replies: 1
by 36b8604395cd4148bb2fd8e297675556 » Tue Feb 25, 2020 9:31 pm

1 Replies

1836 Views

Last post by norman40
Wed Feb 26, 2020 4:24 pm
Radio Wave Intensity and relationship to Power *URGENT*

Last post by rmarz « Mon Feb 24, 2020 11:01 am
Replies: 1
by Lukemorem2356 » Fri Feb 21, 2020 8:59 pm

1 Replies

1985 Views

Last post by rmarz
Mon Feb 24, 2020 11:01 am
science fair (dissolving pills)

Last post by cvionis « Sun Feb 23, 2020 9:55 pm
Replies: 1
by plsvaxxurkids » Thu Feb 20, 2020 7:31 pm

1 Replies

2036 Views

Last post by cvionis
Sun Feb 23, 2020 9:55 pm
Smart Medicine Cabinet

Last post by bfinio « Fri Feb 21, 2020 6:08 am
Replies: 9
by skylarbelle13 » Mon Feb 10, 2020 4:41 pm

9 Replies

3312 Views

Last post by bfinio
Fri Feb 21, 2020 6:08 am
Gravity Question

Last post by norman40 « Wed Feb 19, 2020 3:49 pm
Replies: 1
by meowmix321 » Wed Feb 19, 2020 1:00 pm

1 Replies

1671 Views

Last post by norman40
Wed Feb 19, 2020 3:49 pm
Data Analysis for Electronics project

Last post by norman40 « Wed Feb 19, 2020 3:48 pm
Replies: 1
by Aryan_Mahindra » Tue Feb 18, 2020 7:01 pm

1 Replies

1716 Views

Last post by norman40
Wed Feb 19, 2020 3:48 pm
oobleck

Last post by AmyCowen « Tue Feb 18, 2020 5:31 pm
Replies: 1
by jesusm2345 » Tue Feb 18, 2020 2:26 pm

1 Replies

23562 Views

Last post by AmyCowen
Tue Feb 18, 2020 5:31 pm
How does color effect heat absorption and exothermic......Urgent!

Last post by audreyln « Tue Feb 18, 2020 3:32 pm
Replies: 3
by ellie5577 » Fri Feb 07, 2020 7:30 am

3 Replies

2154 Views

Last post by audreyln
Tue Feb 18, 2020 3:32 pm
Safe Substitute for HCl? pH 1-2. URGENT!!

Last post by cvionis « Sun Feb 16, 2020 5:57 pm
Replies: 2
by cch072405 » Sun Feb 16, 2020 1:14 pm

2 Replies

2930 Views

Last post by cvionis
Sun Feb 16, 2020 5:57 pm
How to find how far each planet is from the sun at a given day?

Last post by charlesg « Sun Feb 16, 2020 5:09 pm
Replies: 1
by 73f48ecf328a43a2a5f27e153e0470ed » Sun Feb 16, 2020 5:21 am

1 Replies

1711 Views

Last post by charlesg
Sun Feb 16, 2020 5:09 pm
Titrating orange juice with KIO3, never changes color

Last post by charlesg « Sun Feb 16, 2020 5:07 pm
Replies: 1
by 692313c9788045d9b16a7bf8d8433de8 » Wed Feb 12, 2020 5:21 pm

1 Replies

1765 Views

Last post by charlesg
Sun Feb 16, 2020 5:07 pm
Mosfet on Breadboard seems to not be working

Last post by rmarz « Thu Feb 13, 2020 11:12 am
Replies: 3
by hendrsop » Sat Feb 08, 2020 4:50 pm

3 Replies

2240 Views

Last post by rmarz
Thu Feb 13, 2020 11:12 am
Testable question for a cloud chamber demonstrates how particles decay with radiation

Last post by norman40 « Wed Feb 12, 2020 4:09 pm
Replies: 1
by 36b8604395cd4148bb2fd8e297675556 » Wed Feb 12, 2020 10:49 am

1 Replies

1907 Views

Last post by norman40
Wed Feb 12, 2020 4:09 pm
Polymer chemistry

Last post by norman40 « Wed Feb 12, 2020 2:54 pm
Replies: 4
by keerthanapadma » Wed Nov 27, 2019 7:50 am

4 Replies

3079 Views

Last post by norman40
Wed Feb 12, 2020 2:54 pm
How to make a grippy bioplastic?

Last post by norman40 « Wed Feb 12, 2020 2:35 pm
Replies: 1
by 81c44c9e16394bdbb4095d933f385674 » Fri Feb 07, 2020 2:44 pm

1 Replies

1911 Views

Last post by norman40
Wed Feb 12, 2020 2:35 pm

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