Ask an Expert: Grades 6-8: Physical Science

Grades 6-8: Physical Science

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Permanent Marker help

Last post by phi-unit « Mon Sep 30, 2013 5:32 pm
Replies: 1
by jazzy13 » Sun Sep 29, 2013 11:52 am

1 Replies

3058 Views

Last post by phi-unit
Mon Sep 30, 2013 5:32 pm
mesuring vibrational frequency with light

Last post by kgudger « Mon Sep 30, 2013 4:58 pm
Replies: 1
by bridgeto67 » Sun Sep 29, 2013 1:48 pm

1 Replies

2600 Views

Last post by kgudger
Mon Sep 30, 2013 4:58 pm
Which shapes scatter the most amount of light?

Last post by Terik Daly « Fri Sep 27, 2013 7:44 am
Replies: 1
by haiiiiiiiiiiiiiiiiii » Thu Sep 26, 2013 4:41 pm

1 Replies

2364 Views

Last post by Terik Daly
Fri Sep 27, 2013 7:44 am
Role of platinum catalyst in fuel cells?

Last post by kgudger « Mon Sep 23, 2013 7:54 am
Replies: 1
by candy4me » Sun Sep 22, 2013 7:05 pm

1 Replies

2945 Views

Last post by kgudger
Mon Sep 23, 2013 7:54 am
Hydrodynamics of a human body moving through water

Last post by gmm15 « Sun Sep 22, 2013 2:29 pm
Replies: 1
by paul_epner » Fri Sep 20, 2013 4:05 pm

1 Replies

2953 Views

Last post by gmm15
Sun Sep 22, 2013 2:29 pm
Correlation of Coronal Mass Ejections with the Solar Sunspot

Last post by Wadiam « Thu Sep 19, 2013 2:57 pm
Replies: 1
by labissell88 » Thu Sep 19, 2013 10:39 am

1 Replies

2449 Views

Last post by Wadiam
Thu Sep 19, 2013 2:57 pm
The effect of Caffeine in invertebrates

Last post by Susan621 « Tue Sep 17, 2013 7:17 am
Replies: 1
by Chef » Mon Sep 16, 2013 7:06 pm

1 Replies

3550 Views

Last post by Susan621
Tue Sep 17, 2013 7:17 am
Determing Caffine in Drinks

Last post by audreyln « Fri Sep 13, 2013 6:56 pm
Replies: 1
by patricia22 » Wed Sep 11, 2013 5:45 pm

1 Replies

3036 Views

Last post by audreyln
Fri Sep 13, 2013 6:56 pm
Bridge Building Strongest Safest Cost Eficient

Last post by lnbuchanan « Wed Sep 11, 2013 5:36 pm
Replies: 4
by lnbuchanan » Tue Sep 10, 2013 1:36 pm

4 Replies

4097 Views

Last post by lnbuchanan
Wed Sep 11, 2013 5:36 pm
science fair

Last post by rmarz « Mon Sep 09, 2013 7:54 pm
Replies: 3
by Saumilkhadilkar » Sun Sep 08, 2013 11:53 am

3 Replies

3057 Views

Last post by rmarz
Mon Sep 09, 2013 7:54 pm
Gaussian Rifle neodymium magnets

Last post by theborg « Sun Sep 08, 2013 6:38 pm
Replies: 1
by Gabe T » Sun Sep 08, 2013 3:30 pm

1 Replies

3159 Views

Last post by theborg
Sun Sep 08, 2013 6:38 pm
X-rays and Gamma Rays in a Peltier Cloud Chamber

Last post by rk9109 « Sat Sep 07, 2013 7:33 pm
Replies: 5
by rk9109 » Sun Mar 24, 2013 7:25 pm

5 Replies

7025 Views

Last post by rk9109
Sat Sep 07, 2013 7:33 pm
Luminescence of glow in the dark objects

Last post by Craig_Bridge « Fri Sep 06, 2013 8:16 am
Replies: 1
by sboxparrott » Wed Sep 04, 2013 7:50 am

1 Replies

11243 Views

Last post by Craig_Bridge
Fri Sep 06, 2013 8:16 am
Measuring protein concentration in egg

Last post by vysarge « Fri Aug 30, 2013 7:37 pm
Replies: 1
by Maya55 » Thu Aug 29, 2013 7:19 am

1 Replies

10250 Views

Last post by vysarge
Fri Aug 30, 2013 7:37 pm
Crossed Hand/Eye Dominance

Last post by Craig_Bridge « Thu Aug 29, 2013 5:50 am
Replies: 1
by juppyg » Thu Aug 29, 2013 3:23 am

1 Replies

12319 Views

Last post by Craig_Bridge
Thu Aug 29, 2013 5:50 am
Incorporating Physics into videogames!

Last post by Hans0l012 « Sat Aug 24, 2013 10:32 pm
Replies: 5
by Hans0l012 » Thu Aug 22, 2013 8:41 pm

5 Replies

4126 Views

Last post by Hans0l012
Sat Aug 24, 2013 10:32 pm
The pH level

Last post by vysarge « Fri Aug 23, 2013 3:55 pm
Replies: 1
by madlll » Thu Aug 22, 2013 7:24 pm

1 Replies

3429 Views

Last post by vysarge
Fri Aug 23, 2013 3:55 pm
pH test indicating level of Carbondioxide exhaled by humans

Last post by vysarge « Fri Aug 23, 2013 3:44 pm
Replies: 1
by sanil_gupta » Thu Aug 22, 2013 8:47 am

1 Replies

2692 Views

Last post by vysarge
Fri Aug 23, 2013 3:44 pm
Is this a good idea?

Last post by John Dreher « Sat Aug 17, 2013 11:09 pm
Replies: 1
by Eblondey » Sat Aug 17, 2013 7:18 pm

1 Replies

2622 Views

Last post by John Dreher
Sat Aug 17, 2013 11:09 pm
Single replacement reaction producing hydrogen for fuel cell

Last post by Craig_Bridge « Wed Aug 14, 2013 11:31 am
Replies: 7
by candy4me » Sun Aug 04, 2013 6:07 pm

7 Replies

6095 Views

Last post by Craig_Bridge
Wed Aug 14, 2013 11:31 am
HELP! NEED AN IDEA FOR A TITLE

Last post by kgudger « Sat Aug 10, 2013 9:36 am
Replies: 1
by jasonbacolod » Fri Aug 09, 2013 10:54 pm

1 Replies

2833 Views

Last post by kgudger
Sat Aug 10, 2013 9:36 am
Colloidal quantum dots?

Last post by Craig_Bridge « Thu Jul 25, 2013 11:29 am
Replies: 1
by candy4me » Mon Jul 22, 2013 10:39 am

1 Replies

3071 Views

Last post by Craig_Bridge
Thu Jul 25, 2013 11:29 am
Multijunction photovoltaic cells

Last post by Craig_Bridge « Thu Jul 25, 2013 11:21 am
Replies: 5
by candy4me » Mon Jul 08, 2013 11:05 am

5 Replies

4849 Views

Last post by Craig_Bridge
Thu Jul 25, 2013 11:21 am
substitutes for tetra chloride in making a lava lamp

Last post by John Dreher « Wed Jul 17, 2013 7:19 am
Replies: 3
by marique3 » Fri Jul 12, 2013 1:05 am

3 Replies

7319 Views

Last post by John Dreher
Wed Jul 17, 2013 7:19 am
Any simple yet effective experiments that use condiment's?

Last post by theborg « Wed Jul 17, 2013 12:21 am
Replies: 1
by Snowblind » Mon Jul 15, 2013 3:50 pm

1 Replies

3466 Views

Last post by theborg
Wed Jul 17, 2013 12:21 am
Measuring vitamins in food

Last post by Barney77 « Thu Jul 11, 2013 3:45 pm
Replies: 2
by Barney77 » Wed Jun 26, 2013 12:07 am

2 Replies

6494 Views

Last post by Barney77
Thu Jul 11, 2013 3:45 pm
Light intensity formula using inverse square law

Last post by Computer369 « Tue Jul 02, 2013 5:36 am
Replies: 5
by Computer369 » Sat Jun 29, 2013 11:19 am

5 Replies

7340 Views

Last post by Computer369
Tue Jul 02, 2013 5:36 am
Why is Vitamin C so heat sensitive?

Last post by Barney77 « Sun Jun 30, 2013 11:38 pm
Replies: 2
by Barney77 » Fri Jun 28, 2013 2:03 am

2 Replies

6370 Views

Last post by Barney77
Sun Jun 30, 2013 11:38 pm
Electricity from fuel cells

Last post by Craig_Bridge « Wed Jun 19, 2013 3:25 pm
Replies: 1
by candy4me » Mon Jun 17, 2013 7:03 am

1 Replies

3047 Views

Last post by Craig_Bridge
Wed Jun 19, 2013 3:25 pm
Stain Removal Science fair project

Last post by marknoble « Mon Jun 17, 2013 10:43 pm
Replies: 3
by eantoff » Mon Dec 11, 2006 1:26 pm

3 Replies

12365 Views

Last post by marknoble
Mon Jun 17, 2013 10:43 pm
working model on transport and communications

Last post by John Dreher « Sat Jun 15, 2013 6:42 am
Replies: 1
by anchal garg » Fri Jun 14, 2013 1:15 am

1 Replies

9449 Views

Last post by John Dreher
Sat Jun 15, 2013 6:42 am
Need help in creating a Science Project for 8th grade

Last post by SciB « Wed Jul 03, 2013 5:54 am
Replies: 3
by Reaven233 » Sun Jun 09, 2013 10:47 pm

3 Replies

5638 Views

Last post by SciB
Wed Jul 03, 2013 5:54 am
Crystalization/soldification of particles in a mixture

Last post by John Dreher « Sun Jun 02, 2013 4:23 am
Replies: 6
by candy4me » Sat Jun 01, 2013 6:55 am

6 Replies

5294 Views

Last post by John Dreher
Sun Jun 02, 2013 4:23 am
Cobalt Nitrate

Last post by Ray Trent « Mon May 27, 2013 10:06 pm
Replies: 2
by sababa123 » Sat May 25, 2013 12:45 pm

2 Replies

3523 Views

Last post by Ray Trent
Mon May 27, 2013 10:06 pm
Pop Eco Final

Last post by John Dreher « Sat May 18, 2013 4:50 pm
Replies: 1
by johnnycrocetti_ » Sat May 18, 2013 10:31 am

1 Replies

2458 Views

Last post by John Dreher
Sat May 18, 2013 4:50 pm
Pop Eco Final

Last post by John Dreher « Sat May 18, 2013 4:48 pm
Replies: 1
by johnnycrocetti_ » Sat May 18, 2013 10:27 am

1 Replies

2450 Views

Last post by John Dreher
Sat May 18, 2013 4:48 pm
solar sensitive cells

Last post by Jehanmik « Wed May 15, 2013 10:32 am
Replies: 10
by tejaswini » Sat Mar 10, 2012 3:59 am

10 Replies

6805 Views

Last post by Jehanmik
Wed May 15, 2013 10:32 am
Making it shipshape: Hull designs and hyrodynamics

Last post by kgudger « Mon May 13, 2013 8:31 am
Replies: 2
by NAB » Thu May 09, 2013 4:58 pm

2 Replies

3780 Views

Last post by kgudger
Mon May 13, 2013 8:31 am
Cold Pack Chemistry equations

Last post by kgudger « Mon May 13, 2013 8:26 am
Replies: 1
by amyc » Thu May 09, 2013 6:18 pm

1 Replies

2949 Views

Last post by kgudger
Mon May 13, 2013 8:26 am
Eggdrop project

Last post by Craig_Bridge « Wed May 08, 2013 8:25 am
Replies: 2
by froggie899 » Thu May 02, 2013 6:00 pm

2 Replies

4980 Views

Last post by Craig_Bridge
Wed May 08, 2013 8:25 am
Questions about measuring data track spacing with laser

Last post by ChiaraB « Fri Apr 26, 2013 5:17 pm
Replies: 1
by BAJA241 » Thu Apr 25, 2013 9:50 pm

1 Replies

2819 Views

Last post by ChiaraB
Fri Apr 26, 2013 5:17 pm
Water to fuel to Water project

Last post by kgudger « Mon Apr 01, 2013 2:40 pm
Replies: 5
by sababa123 » Fri Mar 29, 2013 10:01 am

5 Replies

3854 Views

Last post by kgudger
Mon Apr 01, 2013 2:40 pm
Question about Making Perfumes?

Last post by drowningfish « Sun Mar 31, 2013 5:21 pm
Replies: 1
by snowiebear1 » Sun Mar 31, 2013 2:07 pm

1 Replies

3513 Views

Last post by drowningfish
Sun Mar 31, 2013 5:21 pm
Magnets and Charge

Last post by rmarz « Sat Mar 30, 2013 5:09 pm
Replies: 3
by ZacharyX » Sat Mar 30, 2013 1:19 pm

3 Replies

3314 Views

Last post by rmarz
Sat Mar 30, 2013 5:09 pm
Leyden jars

Last post by Craig_Bridge « Fri Mar 29, 2013 3:22 pm
Replies: 5
by sciencejeff » Sat Mar 02, 2013 9:21 pm

5 Replies

8453 Views

Last post by Craig_Bridge
Fri Mar 29, 2013 3:22 pm
Hall effect sensor

Last post by rmarz « Tue Mar 26, 2013 7:37 pm
Replies: 1
by mwferris » Tue Mar 26, 2013 4:55 pm

1 Replies

2834 Views

Last post by rmarz
Tue Mar 26, 2013 7:37 pm
How to attach the balloons to the spoon?

Last post by Yangji « Tue Mar 26, 2013 7:21 am
Replies: 2
by Yangji » Mon Mar 25, 2013 4:20 pm

2 Replies

3160 Views

Last post by Yangji
Tue Mar 26, 2013 7:21 am
How to make soap from scratch

Last post by John Dreher « Sat Mar 23, 2013 12:59 pm
Replies: 3
by miles2pace » Tue Mar 19, 2013 5:35 pm

3 Replies

4779 Views

Last post by John Dreher
Sat Mar 23, 2013 12:59 pm
Turn Mud into Energy with a Microbial Fuel Cell — and a Dash

Last post by edneu3 « Thu Mar 21, 2013 11:41 am
Replies: 1
by cgkk12 » Tue Mar 19, 2013 6:54 pm

1 Replies

3901 Views

Last post by edneu3
Thu Mar 21, 2013 11:41 am
Glucose levels (w invertase) for coke and orange juice

Last post by wendellwiggins « Tue Mar 19, 2013 3:53 pm
Replies: 1
by pn66 » Tue Mar 19, 2013 12:06 pm

1 Replies

3513 Views

Last post by wendellwiggins
Tue Mar 19, 2013 3:53 pm

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