Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Film Canister explosion

Last post by rmarz « Tue Dec 17, 2013 12:37 am
Replies: 1
by everett99 » Mon Dec 16, 2013 7:38 pm

1 Replies

2965 Views

Last post by rmarz
Tue Dec 17, 2013 12:37 am
Operating a Stirling Engine inside a Pressure Vessel

Last post by stuffandthings « Sun Dec 15, 2013 10:44 am

by stuffandthings » Sun Dec 15, 2013 10:44 am

0 Replies

3494 Views

Last post by stuffandthings
Sun Dec 15, 2013 10:44 am
The Science of Spin: A Baseball Pendulum

Last post by JChang « Sat Dec 14, 2013 11:07 pm
Replies: 1
by mkscheble » Fri Dec 13, 2013 2:16 pm

1 Replies

2702 Views

Last post by JChang
Sat Dec 14, 2013 11:07 pm
Making Sugar Out of Aratiles fruit (Muntiggia Calabura Linn)

Last post by Richard_22 « Sat Dec 14, 2013 12:45 am
Replies: 2
by Richard_22 » Tue Dec 03, 2013 3:21 pm

2 Replies

9944 Views

Last post by Richard_22
Sat Dec 14, 2013 12:45 am
Microbial Fuel Cell

Last post by amyc « Fri Dec 13, 2013 12:53 pm
Replies: 1
by skyfox » Wed Dec 11, 2013 10:07 pm

1 Replies

2282 Views

Last post by amyc
Fri Dec 13, 2013 12:53 pm
Help! I am trying to heat Luminol

Last post by Terik Daly « Fri Dec 13, 2013 10:26 am
Replies: 2
by Jenlopy » Thu Dec 12, 2013 3:47 pm

2 Replies

2459 Views

Last post by Terik Daly
Fri Dec 13, 2013 10:26 am
Soccer: Geometry of Goal Scoring

Last post by Terik Daly « Fri Dec 13, 2013 10:20 am
Replies: 1
by soccerperson10 » Sun Dec 08, 2013 6:03 pm

1 Replies

4109 Views

Last post by Terik Daly
Fri Dec 13, 2013 10:20 am
Periodontal disease

Last post by tdaly « Fri Dec 13, 2013 9:47 am
Replies: 1
by 132043 » Sun Dec 08, 2013 10:15 pm

1 Replies

2244 Views

Last post by tdaly
Fri Dec 13, 2013 9:47 am
physics/biology

Last post by Terik Daly « Fri Dec 13, 2013 9:45 am
Replies: 1
by emma222 » Sun Dec 08, 2013 5:36 pm

1 Replies

2232 Views

Last post by Terik Daly
Fri Dec 13, 2013 9:45 am
Sucrose, glucose & fructose. uncovering hidden sugar infood

Last post by Terik Daly « Fri Dec 13, 2013 9:36 am
Replies: 1
by DaliahHannah » Fri Dec 06, 2013 10:30 am

1 Replies

2761 Views

Last post by Terik Daly
Fri Dec 13, 2013 9:36 am
Covert Kinetic energie to another energie

Last post by Terik Daly « Fri Dec 13, 2013 9:26 am
Replies: 1
by firephoenix » Thu Dec 05, 2013 1:44 pm

1 Replies

2472 Views

Last post by Terik Daly
Fri Dec 13, 2013 9:26 am
properties of milk-made plastic?

Last post by Terik Daly « Fri Dec 13, 2013 9:19 am
Replies: 1
by PinkSkies » Wed Dec 04, 2013 1:50 am

1 Replies

3085 Views

Last post by Terik Daly
Fri Dec 13, 2013 9:19 am
How to measure color intensity in fabrics??URGENT!!:(

Last post by Terik Daly « Fri Dec 13, 2013 9:00 am
Replies: 1
by sprinklezz101 » Mon Dec 02, 2013 12:53 am

1 Replies

6064 Views

Last post by Terik Daly
Fri Dec 13, 2013 9:00 am
Need help/advise son's anti gravity lifter science fair proj

Last post by Terik Daly « Fri Dec 13, 2013 8:53 am
Replies: 1
by Lorismith68 » Sun Dec 01, 2013 3:25 pm

1 Replies

3133 Views

Last post by Terik Daly
Fri Dec 13, 2013 8:53 am
radon detector please help its urgent

Last post by jashan « Thu Dec 12, 2013 10:04 am

by jashan » Thu Dec 12, 2013 10:04 am

0 Replies

3465 Views

Last post by jashan
Thu Dec 12, 2013 10:04 am
Radon detector

Last post by jashan « Wed Dec 11, 2013 10:22 am

by jashan » Wed Dec 11, 2013 10:22 am

0 Replies

3420 Views

Last post by jashan
Wed Dec 11, 2013 10:22 am
Measuring results from a detergent experiment

Last post by sunmoonstars « Tue Dec 10, 2013 8:46 am
Replies: 1
by kelvica » Wed Nov 20, 2013 8:54 pm

1 Replies

4946 Views

Last post by sunmoonstars
Tue Dec 10, 2013 8:46 am
frying a diode NEED HELP FAST

Last post by ckns « Mon Dec 09, 2013 1:44 pm
Replies: 2
by ckns » Mon Dec 09, 2013 9:51 am

2 Replies

2871 Views

Last post by ckns
Mon Dec 09, 2013 1:44 pm
Contained Liquid Gasses (why they don't cool the container)

Last post by rmarz « Sat Dec 07, 2013 1:55 pm
Replies: 1
by astrever » Thu Dec 05, 2013 9:57 am

1 Replies

2644 Views

Last post by rmarz
Sat Dec 07, 2013 1:55 pm
Fan dimension

Last post by jvenetta « Thu Dec 05, 2013 1:20 pm

by jvenetta » Thu Dec 05, 2013 1:20 pm

0 Replies

22385 Views

Last post by jvenetta
Thu Dec 05, 2013 1:20 pm
Battery Holders

Last post by rmarz « Mon Dec 02, 2013 10:23 am
Replies: 1
by inquisitive » Mon Dec 02, 2013 6:09 am

1 Replies

2645 Views

Last post by rmarz
Mon Dec 02, 2013 10:23 am
Drug Solubility

Last post by gmm15 « Sun Dec 01, 2013 1:34 pm
Replies: 1
by jmurg21 » Sat Nov 30, 2013 2:32 pm

1 Replies

6594 Views

Last post by gmm15
Sun Dec 01, 2013 1:34 pm
Electromagnet

Last post by science923 « Sun Dec 01, 2013 8:50 am
Replies: 5
by science923 » Wed Nov 27, 2013 4:40 pm

5 Replies

4294 Views

Last post by science923
Sun Dec 01, 2013 8:50 am
astronomy research help!!!!

Last post by JChang « Sat Nov 30, 2013 10:18 pm
Replies: 1
by astronomy_stress » Fri Nov 29, 2013 5:03 pm

1 Replies

2387 Views

Last post by JChang
Sat Nov 30, 2013 10:18 pm
Rusting Out: How Acids Affect the Rate of Reaction

Last post by Aint211 « Sat Nov 30, 2013 4:11 pm
Replies: 3
by johnnydepp45 » Wed Jan 18, 2012 5:07 pm

3 Replies

7946 Views

Last post by Aint211
Sat Nov 30, 2013 4:11 pm
HELP!!!Flow Rate confusion

Last post by josh peep « Fri Nov 29, 2013 10:29 am
Replies: 2
by josh peep » Mon Nov 25, 2013 1:52 pm

2 Replies

2430 Views

Last post by josh peep
Fri Nov 29, 2013 10:29 am
Chemistry

Last post by Terik Daly « Fri Nov 29, 2013 10:12 am
Replies: 1
by yaboyjb21 » Tue Nov 26, 2013 9:46 am

1 Replies

2307 Views

Last post by Terik Daly
Fri Nov 29, 2013 10:12 am
How Do Microwave Ovens Really Heat Food?

Last post by Terik Daly « Fri Nov 29, 2013 10:05 am
Replies: 3
by SlowBrownFox » Fri Nov 22, 2013 8:11 pm

3 Replies

7698 Views

Last post by Terik Daly
Fri Nov 29, 2013 10:05 am
Science Fair- Building a Spectrophotometer

Last post by Terik Daly « Fri Nov 29, 2013 9:59 am
Replies: 1
by mgoble » Mon Nov 25, 2013 1:17 pm

1 Replies

2504 Views

Last post by Terik Daly
Fri Nov 29, 2013 9:59 am
Need help for science fair project

Last post by Terik Daly « Fri Nov 29, 2013 9:54 am
Replies: 1
by acalinz » Mon Nov 25, 2013 1:59 am

1 Replies

2260 Views

Last post by Terik Daly
Fri Nov 29, 2013 9:54 am
Finding a mentor/reading papers

Last post by dcnick96 « Wed Nov 27, 2013 8:13 pm
Replies: 3
by candy4me » Fri Nov 08, 2013 4:13 pm

3 Replies

6051 Views

Last post by dcnick96
Wed Nov 27, 2013 8:13 pm
Low Power AM Transmitter HELP

Last post by rmarz « Wed Nov 27, 2013 12:53 pm
Replies: 1
by acalinz » Wed Nov 27, 2013 12:06 am

1 Replies

2378 Views

Last post by rmarz
Wed Nov 27, 2013 12:53 pm
Research plan

Last post by dcnick96 « Tue Nov 26, 2013 9:19 pm
Replies: 1
by Abanoub12 » Tue Nov 19, 2013 9:20 pm

1 Replies

4558 Views

Last post by dcnick96
Tue Nov 26, 2013 9:19 pm
Need to improve cell phone spectrophotometer project

Last post by kgudger « Sat Nov 23, 2013 5:49 pm
Replies: 2
by starplayer132 » Sat Nov 23, 2013 2:45 pm

2 Replies

3135 Views

Last post by kgudger
Sat Nov 23, 2013 5:49 pm
How to replicate oil skimmers?

Last post by theborg « Fri Nov 22, 2013 1:45 pm
Replies: 1
by SchrodingersCat » Sun Nov 17, 2013 8:08 pm

1 Replies

4808 Views

Last post by theborg
Fri Nov 22, 2013 1:45 pm
X-Ray Machine

Last post by Terik Daly « Fri Nov 22, 2013 1:17 pm
Replies: 1
by Schoolsterz123 » Mon Nov 18, 2013 8:19 pm

1 Replies

2613 Views

Last post by Terik Daly
Fri Nov 22, 2013 1:17 pm
Efficient Propeller Design

Last post by rmarz « Tue Nov 19, 2013 9:35 pm
Replies: 1
by drizzt04240 » Tue Nov 19, 2013 8:22 pm

1 Replies

3410 Views

Last post by rmarz
Tue Nov 19, 2013 9:35 pm
HOW CAN WE TRANSFER HEAT TO ELECTRICITY?

Last post by munnyastrophia123 « Mon Nov 18, 2013 8:35 am
Replies: 3
by munnyastrophia123 » Tue Aug 27, 2013 5:05 am

3 Replies

12577 Views

Last post by munnyastrophia123
Mon Nov 18, 2013 8:35 am
Measuring sugar content with laser pointer

Last post by Terik Daly « Sat Nov 16, 2013 8:12 pm
Replies: 1
by greensquirrel » Wed Nov 13, 2013 10:26 pm

1 Replies

4511 Views

Last post by Terik Daly
Sat Nov 16, 2013 8:12 pm
Solar vibrating motor

Last post by Terik Daly « Sat Nov 16, 2013 8:09 pm
Replies: 1
by daniella28 » Wed Nov 13, 2013 10:40 am

1 Replies

2304 Views

Last post by Terik Daly
Sat Nov 16, 2013 8:09 pm
Sound and chemistry

Last post by Terik Daly « Sat Nov 16, 2013 8:05 pm
Replies: 1
by marquito52 » Wed Nov 13, 2013 8:52 am

1 Replies

2336 Views

Last post by Terik Daly
Sat Nov 16, 2013 8:05 pm
Science fair questions related to dobsonian telescope.

Last post by Terik Daly « Sat Nov 16, 2013 5:25 pm
Replies: 1
by ishish » Mon Nov 11, 2013 12:26 pm

1 Replies

2746 Views

Last post by Terik Daly
Sat Nov 16, 2013 5:25 pm
Dual-Action Water Filtration

Last post by sunmoonstars « Mon Nov 11, 2013 10:32 am
Replies: 2
by kellycg95 » Wed Nov 06, 2013 12:58 am

2 Replies

3312 Views

Last post by sunmoonstars
Mon Nov 11, 2013 10:32 am
Measuring sugar content with laser pointer

Last post by greensquirrel « Sun Nov 10, 2013 9:40 pm
Replies: 2
by greensquirrel » Thu Nov 07, 2013 10:23 pm

2 Replies

2699 Views

Last post by greensquirrel
Sun Nov 10, 2013 9:40 pm
Dual- Action Water Filtration PLEASE HELP- TIME SHORT

Last post by dcnick96 « Sun Nov 10, 2013 12:13 pm
Replies: 1
by kellycg95 » Sun Nov 10, 2013 11:08 am

1 Replies

2207 Views

Last post by dcnick96
Sun Nov 10, 2013 12:13 pm
HELP!!

Last post by Terik Daly « Fri Nov 08, 2013 8:36 am
Replies: 1
by Heals616 » Mon Nov 04, 2013 7:57 pm

1 Replies

2177 Views

Last post by Terik Daly
Fri Nov 08, 2013 8:36 am
Built a Circuit but it is not working

Last post by Logan12197 « Thu Nov 07, 2013 11:49 pm
Replies: 3
by Logan12197 » Tue Sep 17, 2013 9:06 pm

3 Replies

3112 Views

Last post by Logan12197
Thu Nov 07, 2013 11:49 pm
Deep Knee Bends

Last post by KrishnaPatel « Mon Nov 04, 2013 3:47 pm
Replies: 1
by kbrooks » Mon Nov 04, 2013 10:09 am

1 Replies

3294 Views

Last post by KrishnaPatel
Mon Nov 04, 2013 3:47 pm
measuring luminescence

Last post by kgudger « Mon Nov 04, 2013 7:52 am
Replies: 1
by inquisitive » Tue Oct 29, 2013 7:59 am

1 Replies

2567 Views

Last post by kgudger
Mon Nov 04, 2013 7:52 am
Seebeck Effect

Last post by kgudger « Mon Nov 04, 2013 7:38 am
Replies: 1
by inquisitive » Tue Oct 29, 2013 7:55 am

1 Replies

2883 Views

Last post by kgudger
Mon Nov 04, 2013 7:38 am

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