Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Why oak for the contraction cone?

Last post by Forman « Wed Jan 06, 2010 4:51 pm
Replies: 5
by Forman » Thu Dec 31, 2009 6:03 am

5 Replies

4527 Views

Last post by Forman
Wed Jan 06, 2010 4:51 pm
Garbage Monitoring

Last post by barretttomlinson « Thu Dec 31, 2009 5:14 pm
Replies: 1
by mokie » Thu Dec 31, 2009 4:41 am

1 Replies

2944 Views

Last post by barretttomlinson
Thu Dec 31, 2009 5:14 pm
energy efficient light bulbs

Last post by paulsdecarli « Mon Dec 28, 2009 3:07 pm
Replies: 3
by victoriarm30 » Sun Dec 27, 2009 1:54 pm

3 Replies

5686 Views

Last post by paulsdecarli
Mon Dec 28, 2009 3:07 pm
making batteries with electrodes

Last post by barretttomlinson « Sat Dec 26, 2009 6:11 pm
Replies: 1
by Science.Nerd_025 » Sat Dec 26, 2009 11:49 am

1 Replies

2864 Views

Last post by barretttomlinson
Sat Dec 26, 2009 6:11 pm
Wind Power

Last post by barretttomlinson « Sat Dec 26, 2009 1:41 pm
Replies: 1
by ccapener » Sat Dec 26, 2009 12:04 pm

1 Replies

3159 Views

Last post by barretttomlinson
Sat Dec 26, 2009 1:41 pm
Atoms

Last post by Craig_Bridge « Thu Dec 17, 2009 4:59 pm
Replies: 1
by dreaaaa14 » Thu Dec 17, 2009 7:48 am

1 Replies

3232 Views

Last post by Craig_Bridge
Thu Dec 17, 2009 4:59 pm
I need help with a recording on a wire project.

Last post by Craig_Bridge « Wed Dec 16, 2009 5:58 pm
Replies: 8
by SOS » Mon Dec 07, 2009 8:29 am

8 Replies

8452 Views

Last post by Craig_Bridge
Wed Dec 16, 2009 5:58 pm
grade 9 physics investigatory project

Last post by staryl13 « Tue Dec 15, 2009 4:22 pm
Replies: 9
by eishitamehta » Tue Dec 01, 2009 2:48 am

9 Replies

36373 Views

Last post by staryl13
Tue Dec 15, 2009 4:22 pm
Lewis Dot Diagram

Last post by barretttomlinson « Mon Dec 14, 2009 1:46 pm
Replies: 3
by dreaaaa14 » Mon Dec 14, 2009 8:17 am

3 Replies

4907 Views

Last post by barretttomlinson
Mon Dec 14, 2009 1:46 pm
Measuring The Speed of Light

Last post by barretttomlinson « Fri Dec 11, 2009 10:19 pm
Replies: 3
by timqliu » Wed Dec 09, 2009 8:46 pm

3 Replies

5485 Views

Last post by barretttomlinson
Fri Dec 11, 2009 10:19 pm
A question about the element Neon

Last post by barretttomlinson « Fri Dec 11, 2009 9:44 am
Replies: 1
by dreaaaa14 » Thu Dec 10, 2009 11:59 am

1 Replies

3408 Views

Last post by barretttomlinson
Fri Dec 11, 2009 9:44 am
balloon popping machine

Last post by mpchurch « Mon Dec 07, 2009 5:55 am
Replies: 3
by Tayto9 » Fri Dec 04, 2009 10:25 am

3 Replies

10964 Views

Last post by mpchurch
Mon Dec 07, 2009 5:55 am
How to measure the speed of light with a microwave oven?

Last post by agm « Mon Nov 30, 2009 6:37 pm
Replies: 3
by flora88 » Wed Nov 25, 2009 3:54 pm

3 Replies

4637 Views

Last post by agm
Mon Nov 30, 2009 6:37 pm
Plz help me to calculate the velocity and acceleration of a

Last post by agm « Mon Nov 30, 2009 6:19 pm
Replies: 2
by duyenphamdp » Sun Nov 29, 2009 5:33 pm

2 Replies

3883 Views

Last post by agm
Mon Nov 30, 2009 6:19 pm
More than one Experiment within One Project OK?

Last post by mpchurch « Mon Nov 30, 2009 6:00 am
Replies: 9
by lisagrady » Sun Nov 15, 2009 3:59 pm

9 Replies

6622 Views

Last post by mpchurch
Mon Nov 30, 2009 6:00 am
Doubts in "Determining amount of acetic acid in vinegar"

Last post by donnahardy2 « Sat Nov 28, 2009 8:36 am
Replies: 3
by udit1233 » Fri Nov 27, 2009 1:00 am

3 Replies

4001 Views

Last post by donnahardy2
Sat Nov 28, 2009 8:36 am
Constrained-Layer Damping

Last post by pdlabelle « Tue Nov 24, 2009 5:46 pm
Replies: 2
by pdlabelle » Sun Nov 22, 2009 3:12 pm

2 Replies

4028 Views

Last post by pdlabelle
Tue Nov 24, 2009 5:46 pm
Joule Mobile Physics Project

Last post by Craig_Bridge « Mon Nov 23, 2009 1:37 pm
Replies: 2
by Nemo » Sun Nov 22, 2009 9:11 am

2 Replies

4835 Views

Last post by Craig_Bridge
Mon Nov 23, 2009 1:37 pm
astronomy

Last post by mpchurch « Sun Nov 22, 2009 8:27 pm
Replies: 3
by loops » Thu Nov 19, 2009 7:01 pm

3 Replies

4519 Views

Last post by mpchurch
Sun Nov 22, 2009 8:27 pm
Does the thickness of a filament affect its glow? HELPP!!!

Last post by rmarz « Sun Nov 22, 2009 9:08 am
Replies: 3
by longvietxx » Mon Nov 16, 2009 4:52 pm

3 Replies

6281 Views

Last post by rmarz
Sun Nov 22, 2009 9:08 am
How to measure impact force?

Last post by edneu3 « Fri Nov 20, 2009 12:32 pm
Replies: 2
by igoblue96 » Wed Nov 18, 2009 3:02 pm

2 Replies

6081 Views

Last post by edneu3
Fri Nov 20, 2009 12:32 pm
Hypothesis help for "MP3 Sqeeze" project.

Last post by Craig_Bridge « Fri Nov 20, 2009 12:26 pm
Replies: 2
by Bigal369 » Thu Nov 19, 2009 4:52 pm

2 Replies

3457 Views

Last post by Craig_Bridge
Fri Nov 20, 2009 12:26 pm
Affect Of Salt On Water

Last post by Craig_Bridge « Mon Nov 16, 2009 1:25 pm
Replies: 6
by HortonHearsaWho » Wed Oct 07, 2009 4:17 pm

6 Replies

7145 Views

Last post by Craig_Bridge
Mon Nov 16, 2009 1:25 pm
Water Evaporation Rate (I dont need a formula)

Last post by mpchurch « Sun Nov 15, 2009 8:52 pm
Replies: 1
by 13MJones » Fri Nov 13, 2009 12:29 pm

1 Replies

6892 Views

Last post by mpchurch
Sun Nov 15, 2009 8:52 pm
Capillary Action (using scientific method?)

Last post by BerwinC « Sat Nov 14, 2009 10:33 pm
Replies: 4
by BerwinC » Fri Nov 06, 2009 7:38 pm

4 Replies

7438 Views

Last post by BerwinC
Sat Nov 14, 2009 10:33 pm
Determining Caffeine content in coffee drinks??

Last post by dylan7uh8 « Fri Nov 13, 2009 10:26 am
Replies: 3
by dylan7uh8 » Wed Oct 14, 2009 7:09 am

3 Replies

4980 Views

Last post by dylan7uh8
Fri Nov 13, 2009 10:26 am
Vtiamin C- Science Fair Project Help Please!

Last post by donnahardy2 « Thu Nov 12, 2009 8:00 am
Replies: 3
by dolphingrl » Fri Nov 06, 2009 9:36 pm

3 Replies

3770 Views

Last post by donnahardy2
Thu Nov 12, 2009 8:00 am
Questions about Capillary Origami

Last post by Craig_Bridge « Wed Nov 11, 2009 3:09 pm
Replies: 3
by picoocip » Wed Nov 11, 2009 12:02 pm

3 Replies

4559 Views

Last post by Craig_Bridge
Wed Nov 11, 2009 3:09 pm
gas sensor for co2

Last post by deveshk « Tue Nov 10, 2009 2:23 am
Replies: 6
by deveshk » Wed Oct 07, 2009 6:22 am

6 Replies

4839 Views

Last post by deveshk
Tue Nov 10, 2009 2:23 am
Project help needed - preparing alum from scrap aluminium

Last post by donnahardy2 « Mon Nov 09, 2009 6:32 am
Replies: 3
by udit1233 » Sun Nov 08, 2009 4:32 am

3 Replies

3663 Views

Last post by donnahardy2
Mon Nov 09, 2009 6:32 am
Water on Different Surfaces

Last post by sciencebuddy « Sun Nov 08, 2009 7:03 pm
Replies: 5
by Michael » Wed Oct 21, 2009 8:14 am

5 Replies

6227 Views

Last post by sciencebuddy
Sun Nov 08, 2009 7:03 pm
Tap water vs Bottled water

Last post by sumitmitra2 « Sun Nov 08, 2009 2:48 pm
Replies: 1
by cj26 » Sun Nov 08, 2009 1:21 pm

1 Replies

6708 Views

Last post by sumitmitra2
Sun Nov 08, 2009 2:48 pm
Aerodynamics of Orange Vs. Lemon

Last post by sciencebuddy « Sun Nov 08, 2009 8:41 am
Replies: 6
by niceties » Tue Sep 29, 2009 8:33 am

6 Replies

9037 Views

Last post by sciencebuddy
Sun Nov 08, 2009 8:41 am
Where would you buy polyvinylidene fluoride (PVDF)?

Last post by mochabubble « Sat Nov 07, 2009 11:28 am
Replies: 2
by mochabubble » Thu Nov 05, 2009 6:30 pm

2 Replies

3743 Views

Last post by mochabubble
Sat Nov 07, 2009 11:28 am
Investigate the Preservative Qualities of Diffirent Spices

Last post by username « Mon Nov 09, 2009 7:07 am
Replies: 2
by username » Fri Nov 06, 2009 5:42 pm

2 Replies

3854 Views

Last post by username
Mon Nov 09, 2009 7:07 am
To study the ability of a glucose to rotate polarized light.

Last post by Amber_MIT « Thu Nov 05, 2009 6:01 pm
Replies: 1
by Rohit Rastogi » Thu Nov 05, 2009 4:00 am

1 Replies

2884 Views

Last post by Amber_MIT
Thu Nov 05, 2009 6:01 pm
Solar Panel Structure

Last post by adamronchi « Wed Nov 04, 2009 12:54 am
Replies: 2
by g_astray » Mon Oct 26, 2009 8:18 pm

2 Replies

3592 Views

Last post by adamronchi
Wed Nov 04, 2009 12:54 am
chemistery

Last post by barretttomlinson « Mon Nov 02, 2009 8:15 pm
Replies: 1
by jkspn123 » Mon Nov 02, 2009 9:20 am

1 Replies

3127 Views

Last post by barretttomlinson
Mon Nov 02, 2009 8:15 pm
how to not create a fire with my experiment

Last post by myworldloa « Wed Oct 28, 2009 7:52 pm
Replies: 3
by myworldloa » Wed Oct 07, 2009 6:17 pm

3 Replies

4381 Views

Last post by myworldloa
Wed Oct 28, 2009 7:52 pm
Inquiries on Powder

Last post by staryl13 « Mon Oct 26, 2009 6:20 pm
Replies: 2
by nicoberba » Mon Oct 26, 2009 6:49 am

2 Replies

3700 Views

Last post by staryl13
Mon Oct 26, 2009 6:20 pm
Need Science Fair Help Fast!!!

Last post by agm « Mon Oct 26, 2009 3:36 pm
Replies: 2
by Sciencedork101 » Mon Oct 26, 2009 9:55 am

2 Replies

3670 Views

Last post by agm
Mon Oct 26, 2009 3:36 pm
math and science

Last post by Craig_Bridge « Mon Oct 26, 2009 2:36 pm
Replies: 2
by RASPECK » Sun Oct 25, 2009 8:30 pm

2 Replies

3274 Views

Last post by Craig_Bridge
Mon Oct 26, 2009 2:36 pm
Turbines

Last post by Craig_Bridge « Mon Oct 26, 2009 9:12 am
Replies: 1
by mochabubble » Sun Oct 25, 2009 10:24 pm

1 Replies

2881 Views

Last post by Craig_Bridge
Mon Oct 26, 2009 9:12 am
Open-Throat/Jet Subsonic Wind Tunnel

Last post by Craig_Bridge « Mon Oct 26, 2009 9:02 am
Replies: 2
by robhlee » Sat Oct 24, 2009 7:50 am

2 Replies

3773 Views

Last post by Craig_Bridge
Mon Oct 26, 2009 9:02 am
Piezoelectric question. Can anyone please help?

Last post by mochabubble « Sat Oct 24, 2009 8:55 pm
Replies: 2
by mochabubble » Thu Oct 22, 2009 10:45 pm

2 Replies

3716 Views

Last post by mochabubble
Sat Oct 24, 2009 8:55 pm
Using a Laser Pointer to Measure the Data Track Spacing on C

Last post by MelissaB « Sat Oct 24, 2009 1:51 am
Replies: 1
by Abhay » Sat Oct 24, 2009 1:29 am

1 Replies

3005 Views

Last post by MelissaB
Sat Oct 24, 2009 1:51 am
can an human voice be changed into that of other?

Last post by barretttomlinson « Thu Oct 22, 2009 4:26 pm
Replies: 1
by guptha » Thu Oct 22, 2009 12:05 am

1 Replies

3183 Views

Last post by barretttomlinson
Thu Oct 22, 2009 4:26 pm
Modle Car

Last post by staryl13 « Mon Oct 19, 2009 9:56 pm
Replies: 1
by wyyve » Mon Oct 19, 2009 2:10 pm

1 Replies

4019 Views

Last post by staryl13
Mon Oct 19, 2009 9:56 pm
stimulated stomach acid

Last post by edneu3 « Fri Oct 16, 2009 11:34 am
Replies: 3
by Fammy » Tue Oct 13, 2009 2:04 pm

3 Replies

7606 Views

Last post by edneu3
Fri Oct 16, 2009 11:34 am
Chemistry

Last post by barretttomlinson « Sat Oct 10, 2009 7:30 pm
Replies: 1
by Vahe » Sat Oct 10, 2009 3:19 pm

1 Replies

3355 Views

Last post by barretttomlinson
Sat Oct 10, 2009 7:30 pm

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