Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Measuring Skyglow

Last post by staryl13 « Fri Jan 18, 2008 4:13 pm
Replies: 1
by sciencegeek1337 » Thu Jan 17, 2008 5:22 pm

1 Replies

4565 Views

Last post by staryl13
Fri Jan 18, 2008 4:13 pm
help plz.........

Last post by staryl13 « Fri Jan 18, 2008 4:10 pm
Replies: 1
by sunny2k8 » Fri Jan 18, 2008 3:23 pm

1 Replies

3275 Views

Last post by staryl13
Fri Jan 18, 2008 4:10 pm
skyglow

Last post by Dr. Bruce Weaver « Wed Jan 16, 2008 3:59 pm
Replies: 2
by lizzielizzie1692 » Tue Jan 08, 2008 5:08 pm

2 Replies

4738 Views

Last post by Dr. Bruce Weaver
Wed Jan 16, 2008 3:59 pm
Create Your Own Spark Questions

Last post by Louise « Sun Jan 13, 2008 3:22 pm
Replies: 3
by awe » Fri Dec 28, 2007 7:59 am

3 Replies

4574 Views

Last post by Louise
Sun Jan 13, 2008 3:22 pm
making a high-current switching relay

Last post by Louise « Sun Jan 13, 2008 3:17 pm
Replies: 3
by faisal1 » Sun Jan 13, 2008 12:13 am

3 Replies

4843 Views

Last post by Louise
Sun Jan 13, 2008 3:17 pm
Hull Design and Hydrodynamics

Last post by davidkallman « Wed Jan 09, 2008 10:19 am
Replies: 1
by wallace » Tue Jan 08, 2008 9:05 pm

1 Replies

4078 Views

Last post by davidkallman
Wed Jan 09, 2008 10:19 am
quick question on Using a Laser Pointer to Measure the Data

Last post by Vanakoji « Mon Jan 07, 2008 2:16 pm
Replies: 3
by Vanakoji » Sun Jan 06, 2008 1:37 pm

3 Replies

4173 Views

Last post by Vanakoji
Mon Jan 07, 2008 2:16 pm
help! trouble using mini rail gun

Last post by Dr. Bruce Weaver « Sun Jan 06, 2008 11:43 pm
Replies: 5
by prav » Sat Dec 29, 2007 6:59 pm

5 Replies

6353 Views

Last post by Dr. Bruce Weaver
Sun Jan 06, 2008 11:43 pm
What does my data mean? (PSI and water rockets)

Last post by stevenk « Sun Jan 06, 2008 12:46 pm
Replies: 4
by stevenk » Thu Jan 03, 2008 4:20 pm

4 Replies

5956 Views

Last post by stevenk
Sun Jan 06, 2008 12:46 pm
Grade 10 Student - Need an Idea for a Lego Innovation

Last post by chekmanirov « Fri Jan 04, 2008 9:20 pm
Replies: 5
by chekmanirov » Tue Jan 01, 2008 4:39 pm

5 Replies

5882 Views

Last post by chekmanirov
Fri Jan 04, 2008 9:20 pm
Solar Power--Where to buy solar cells?

Last post by bradleyshanrock-solberg « Fri Jan 04, 2008 6:09 pm
Replies: 1
by Bbrooke » Mon Dec 31, 2007 12:26 pm

1 Replies

3597 Views

Last post by bradleyshanrock-solberg
Fri Jan 04, 2008 6:09 pm
Maglev trains and magnetic linear accelerator

Last post by bradleyshanrock-solberg « Fri Jan 04, 2008 6:05 pm
Replies: 2
by habitant10 » Sat Dec 29, 2007 9:02 am

2 Replies

5482 Views

Last post by bradleyshanrock-solberg
Fri Jan 04, 2008 6:05 pm
Help on calorimeter project

Last post by bradleyshanrock-solberg « Fri Jan 04, 2008 6:03 pm
Replies: 1
by imastudent615 » Fri Dec 28, 2007 8:06 pm

1 Replies

3310 Views

Last post by bradleyshanrock-solberg
Fri Jan 04, 2008 6:03 pm
help!!(civil engineering)

Last post by bradleyshanrock-solberg « Fri Jan 04, 2008 6:01 pm
Replies: 1
by susanjt » Thu Dec 27, 2007 11:29 pm

1 Replies

3237 Views

Last post by bradleyshanrock-solberg
Fri Jan 04, 2008 6:01 pm
hiGH schoOl stUdENt nEEdS hElP finDINg A sCIenCE faIr tOpIC

Last post by Louise « Fri Jan 04, 2008 4:47 pm
Replies: 6
by rashada2010 » Wed Dec 05, 2007 8:34 am

6 Replies

33224 Views

Last post by Louise
Fri Jan 04, 2008 4:47 pm
Where can I find fruitflies?

Last post by MariahG « Fri Jan 04, 2008 1:38 pm
Replies: 4
by mythology » Tue Nov 20, 2007 10:10 am

4 Replies

7124 Views

Last post by MariahG
Fri Jan 04, 2008 1:38 pm
How to make a Joule Mobile?

Last post by davidkallman « Fri Jan 04, 2008 12:52 pm
Replies: 1
by anpham » Thu Jan 03, 2008 7:28 pm

1 Replies

5179 Views

Last post by davidkallman
Fri Jan 04, 2008 12:52 pm
Statistical Mechanics

Last post by Amber_MIT « Wed Jan 02, 2008 8:17 pm
Replies: 14
by bclaw2011 » Fri Dec 14, 2007 5:23 pm

14 Replies

45745 Views

Last post by Amber_MIT
Wed Jan 02, 2008 8:17 pm
Need help with project

Last post by ChrisG « Tue Jan 01, 2008 10:36 pm
Replies: 12
by iago56iago48 » Mon Dec 31, 2007 12:10 pm

12 Replies

7790 Views

Last post by ChrisG
Tue Jan 01, 2008 10:36 pm
Please! I really Need this help!

Last post by Louise « Tue Jan 01, 2008 9:14 am
Replies: 1
by digiman155 » Tue Jan 01, 2008 8:18 am

1 Replies

3584 Views

Last post by Louise
Tue Jan 01, 2008 9:14 am
Help: Need info on Shock(impact) Absorbency topic

Last post by rebeccamaman « Sat Dec 29, 2007 7:39 am
Replies: 2
by maniacmattt13 » Wed Dec 26, 2007 12:28 pm

2 Replies

4178 Views

Last post by rebeccamaman
Sat Dec 29, 2007 7:39 am
I need and Interview for my science fair project- by jan 4

Last post by digiman155 « Thu Dec 27, 2007 10:34 am

by digiman155 » Thu Dec 27, 2007 10:34 am

0 Replies

6508 Views

Last post by digiman155
Thu Dec 27, 2007 10:34 am
Atmosphere and Gas Laws

Last post by bradleyshanrock-solberg « Wed Dec 19, 2007 5:47 pm
Replies: 11
by bclaw2011 » Thu Dec 13, 2007 5:38 pm

11 Replies

41910 Views

Last post by bradleyshanrock-solberg
Wed Dec 19, 2007 5:47 pm
A simple question for a science fair project.

Last post by bradleyshanrock-solberg « Mon Dec 17, 2007 3:49 pm
Replies: 4
by lpowell » Thu Dec 13, 2007 5:01 pm

4 Replies

29756 Views

Last post by bradleyshanrock-solberg
Mon Dec 17, 2007 3:49 pm
hi....

Last post by Louise « Mon Dec 17, 2007 6:39 am
Replies: 10
by aparna » Mon Nov 26, 2007 5:58 am

10 Replies

38509 Views

Last post by Louise
Mon Dec 17, 2007 6:39 am
Generation of Electricity by perpetual motion of turbine

Last post by Craig_Bridge « Sun Dec 16, 2007 10:30 am
Replies: 5
by Aditya Shankar » Fri Dec 14, 2007 10:28 am

5 Replies

33058 Views

Last post by Craig_Bridge
Sun Dec 16, 2007 10:30 am
Dissolved Ions in Schools Water

Last post by zzzzdoc « Fri Dec 14, 2007 5:31 pm
Replies: 6
by t_grade9 » Mon Dec 10, 2007 10:59 am

6 Replies

33627 Views

Last post by zzzzdoc
Fri Dec 14, 2007 5:31 pm
Biofuel efficiency

Last post by staryl13 « Thu Dec 13, 2007 2:57 pm
Replies: 3
by eocgirl112 » Wed Dec 12, 2007 6:57 pm

3 Replies

29881 Views

Last post by staryl13
Thu Dec 13, 2007 2:57 pm
books on self projects

Last post by barretttomlinson « Wed Dec 12, 2007 11:06 pm
Replies: 1
by sharmaluv » Wed Dec 12, 2007 10:55 pm

1 Replies

25528 Views

Last post by barretttomlinson
Wed Dec 12, 2007 11:06 pm
GPS receivers

Last post by Craig_Bridge « Wed Dec 12, 2007 4:54 pm
Replies: 6
by chocolatethunder » Sun Dec 09, 2007 10:34 pm

6 Replies

31741 Views

Last post by Craig_Bridge
Wed Dec 12, 2007 4:54 pm
Buy Graphite rods?

Last post by peteryoung « Tue Dec 11, 2007 9:54 pm
Replies: 1
by tylers740 » Mon Dec 10, 2007 3:37 pm

1 Replies

26518 Views

Last post by peteryoung
Tue Dec 11, 2007 9:54 pm
oral pH

Last post by staryl13 « Tue Dec 11, 2007 7:56 pm
Replies: 1
by monanejad » Tue Dec 11, 2007 6:15 pm

1 Replies

25379 Views

Last post by staryl13
Tue Dec 11, 2007 7:56 pm
neef vibrator/ spark gap/ assembly questions

Last post by brycecelano « Mon Dec 10, 2007 3:16 pm
Replies: 6
by brycecelano » Sat Dec 08, 2007 3:57 pm

6 Replies

32110 Views

Last post by brycecelano
Mon Dec 10, 2007 3:16 pm
botany

Last post by Craig_Bridge « Mon Dec 10, 2007 6:52 am
Replies: 6
by kristian dehne » Sat Dec 08, 2007 6:21 pm

6 Replies

33429 Views

Last post by Craig_Bridge
Mon Dec 10, 2007 6:52 am
Coin Tarnish

Last post by staryl13 « Sun Dec 09, 2007 8:52 pm
Replies: 1
by vanj510 » Sun Dec 09, 2007 8:37 pm

1 Replies

26141 Views

Last post by staryl13
Sun Dec 09, 2007 8:52 pm
Joule Mobile

Last post by staryl13 « Sun Dec 09, 2007 8:49 pm
Replies: 1
by Kassie » Sun Dec 09, 2007 6:36 pm

1 Replies

25414 Views

Last post by staryl13
Sun Dec 09, 2007 8:49 pm
coat stand project

Last post by Craig_Bridge « Wed Dec 05, 2007 7:17 pm
Replies: 10
by shy-flower » Fri Nov 23, 2007 3:24 am

10 Replies

42811 Views

Last post by Craig_Bridge
Wed Dec 05, 2007 7:17 pm
PHYSICS PLEASE HELPppppp

Last post by bradleyshanrock-solberg « Mon Dec 03, 2007 7:30 pm
Replies: 3
by ANGUR » Sun Dec 02, 2007 1:39 pm

3 Replies

28622 Views

Last post by bradleyshanrock-solberg
Mon Dec 03, 2007 7:30 pm
joule mobile mass transporter

Last post by bradleyshanrock-solberg « Mon Dec 03, 2007 7:03 pm
Replies: 40
by ahmee » Sun May 14, 2006 5:17 pm
1

2
40 Replies

51401 Views

Last post by bradleyshanrock-solberg
Mon Dec 03, 2007 7:03 pm
Smoke Bombs

Last post by bradleyshanrock-solberg « Mon Dec 03, 2007 6:43 pm
Replies: 8
by theRightNee » Wed Sep 05, 2007 8:39 pm

8 Replies

20368 Views

Last post by bradleyshanrock-solberg
Mon Dec 03, 2007 6:43 pm
Which fruit has the most vitamin C?

Last post by geoffbruton « Mon Dec 03, 2007 9:03 am
Replies: 1
by loveangel » Mon Dec 03, 2007 3:54 am

1 Replies

8397 Views

Last post by geoffbruton
Mon Dec 03, 2007 9:03 am
Neef Vibrator

Last post by Craig_Bridge « Sun Dec 02, 2007 7:20 am
Replies: 3
by sun64 » Fri Nov 23, 2007 9:31 am

3 Replies

6701 Views

Last post by Craig_Bridge
Sun Dec 02, 2007 7:20 am
Create Your Own Spark

Last post by pdoshi « Sat Dec 01, 2007 3:19 pm
Replies: 1
by nrsncy » Tue Nov 20, 2007 5:20 pm

1 Replies

5554 Views

Last post by pdoshi
Sat Dec 01, 2007 3:19 pm
Why does food and drink conduct electricity?

Last post by Craig_Bridge « Wed Nov 28, 2007 6:44 pm
Replies: 1
by rghalton » Wed Nov 28, 2007 4:03 pm

1 Replies

8510 Views

Last post by Craig_Bridge
Wed Nov 28, 2007 6:44 pm
Create your own spark

Last post by Courtney « Sun Nov 25, 2007 3:40 pm
Replies: 2
by science1 » Sat Nov 24, 2007 1:47 pm

2 Replies

6096 Views

Last post by Courtney
Sun Nov 25, 2007 3:40 pm
how to make adevice that can make sound when it fell

Last post by akashah7 « Thu Nov 22, 2007 4:21 am
Replies: 3
by akashah7 » Tue Nov 20, 2007 12:46 am

3 Replies

6665 Views

Last post by akashah7
Thu Nov 22, 2007 4:21 am
please!!!!!! help me or else i will not graduate

Last post by akashah7 « Tue Nov 20, 2007 4:40 am
Replies: 2
by akashah7 » Tue Nov 20, 2007 12:53 am

2 Replies

6057 Views

Last post by akashah7
Tue Nov 20, 2007 4:40 am
HELP!!!! Create your own spark

Last post by Craig_Bridge « Thu Nov 15, 2007 6:30 pm
Replies: 6
by jikopogi96 » Thu Nov 15, 2007 12:17 pm

6 Replies

8261 Views

Last post by Craig_Bridge
Thu Nov 15, 2007 6:30 pm
Help!@#1! "create your own spark" model compare to

Last post by Craig_Bridge « Thu Nov 15, 2007 3:51 pm
Replies: 1
by jikopogi96 » Thu Nov 15, 2007 3:04 pm

1 Replies

5204 Views

Last post by Craig_Bridge
Thu Nov 15, 2007 3:51 pm
I need help with Manipulated and Responding variables.

Last post by heidilockyer « Wed Nov 14, 2007 7:22 pm
Replies: 4
by heidilockyer » Wed Nov 14, 2007 6:18 pm

4 Replies

9504 Views

Last post by heidilockyer
Wed Nov 14, 2007 7:22 pm

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