Ask an Expert: Grades 6-8: Physical Science

Grades 6-8: Physical Science

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Steel wire size for recording on a wire

Last post by Ray Trent « Mon Feb 21, 2011 9:20 pm
Replies: 1
by mbeatty » Fri Feb 18, 2011 5:49 am

1 Replies

3854 Views

Last post by Ray Trent
Mon Feb 21, 2011 9:20 pm
Heat retention

Last post by agalla « Mon Feb 21, 2011 9:17 pm
Replies: 3
by agalla » Wed Feb 16, 2011 8:34 am

3 Replies

5399 Views

Last post by agalla
Mon Feb 21, 2011 9:17 pm
Need a title for science project!! ASAP

Last post by Hannahbanana3197 « Mon Feb 21, 2011 6:11 pm
Replies: 2
by Hannahbanana3197 » Tue Feb 15, 2011 4:33 pm

2 Replies

3255 Views

Last post by Hannahbanana3197
Mon Feb 21, 2011 6:11 pm
which cup is the best insulator???

Last post by hvinsonhaler « Tue Feb 15, 2011 6:10 pm
Replies: 2
by hvinsonhaler » Mon Feb 14, 2011 8:10 pm

2 Replies

4334 Views

Last post by hvinsonhaler
Tue Feb 15, 2011 6:10 pm
Question with the "Mpemba Effect' experiment

Last post by Ray Trent « Mon Feb 14, 2011 10:49 pm
Replies: 2
by Bananadifa » Sun Feb 13, 2011 9:01 am

2 Replies

3669 Views

Last post by Ray Trent
Mon Feb 14, 2011 10:49 pm
What should the mechanical advantage be for optimal throwing

Last post by rmarz « Sat Feb 12, 2011 11:28 am
Replies: 1
by nader » Sat Feb 12, 2011 11:13 am

1 Replies

2975 Views

Last post by rmarz
Sat Feb 12, 2011 11:28 am
Surface tension formula!! NEED help now!

Last post by edneu3 « Thu Feb 10, 2011 11:35 am
Replies: 2
by NMGmonarchs » Sun Feb 06, 2011 5:13 pm

2 Replies

4046 Views

Last post by edneu3
Thu Feb 10, 2011 11:35 am
tennis ball

Last post by edneu3 « Thu Feb 10, 2011 11:29 am
Replies: 1
by pariolly » Thu Feb 10, 2011 3:40 am

1 Replies

3157 Views

Last post by edneu3
Thu Feb 10, 2011 11:29 am
Freezing, melting, and boiling points.

Last post by drowningfish « Mon Feb 07, 2011 9:21 pm
Replies: 2
by soissois » Sun Feb 06, 2011 7:48 pm

2 Replies

8991 Views

Last post by drowningfish
Mon Feb 07, 2011 9:21 pm
Does mass affect speed?! DUE TOMORROW!!!! HELP!!!!!!!!

Last post by staryl13 « Sat Feb 05, 2011 7:01 pm
Replies: 8
by cecilia766753 » Fri Mar 05, 2010 1:24 pm

8 Replies

54517 Views

Last post by staryl13
Sat Feb 05, 2011 7:01 pm
How do I calculate voltage?

Last post by tahubbard « Sat Feb 05, 2011 10:46 am
Replies: 3
by tahubbard » Mon Jan 24, 2011 1:23 pm

3 Replies

3808 Views

Last post by tahubbard
Sat Feb 05, 2011 10:46 am
“Electrolyte Challenge: Orange Juice vs. Sports Drink”

Last post by Craig_Bridge « Thu Feb 03, 2011 4:58 pm
Replies: 6
by J.O.L.T88 » Mon Feb 08, 2010 10:20 pm

6 Replies

8669 Views

Last post by Craig_Bridge
Thu Feb 03, 2011 4:58 pm
baking soda and vinegar rocket

Last post by Craig_Bridge « Thu Feb 03, 2011 4:49 pm
Replies: 2
by smarshall » Thu Jan 27, 2011 7:51 pm

2 Replies

12046 Views

Last post by Craig_Bridge
Thu Feb 03, 2011 4:49 pm
Rubik's cube

Last post by Craig_Bridge « Thu Feb 03, 2011 4:34 pm
Replies: 4
by txteachers » Fri Nov 14, 2008 12:45 pm

4 Replies

4815 Views

Last post by Craig_Bridge
Thu Feb 03, 2011 4:34 pm
Papain

Last post by Craig_Bridge « Thu Feb 03, 2011 4:14 pm
Replies: 2
by iperelman » Sun Jan 30, 2011 12:43 pm

2 Replies

3086 Views

Last post by Craig_Bridge
Thu Feb 03, 2011 4:14 pm
Science Fair Project on water purification

Last post by amyc « Tue Feb 01, 2011 12:26 pm
Replies: 1
by ellebear » Tue Feb 01, 2011 11:13 am

1 Replies

4314 Views

Last post by amyc
Tue Feb 01, 2011 12:26 pm
Veggie Power

Last post by rmarz « Fri Jan 28, 2011 6:04 pm
Replies: 1
by rileygray1996 » Fri Jan 28, 2011 12:55 pm

1 Replies

2930 Views

Last post by rmarz
Fri Jan 28, 2011 6:04 pm
What material catches evaporation the most? ASAP!

Last post by Hannahbanana3197 « Fri Jan 28, 2011 2:45 pm
Replies: 2
by Hannahbanana3197 » Thu Jan 27, 2011 4:55 pm

2 Replies

3118 Views

Last post by Hannahbanana3197
Fri Jan 28, 2011 2:45 pm
Help me!!!! I need to know what to do for a science fair pro

Last post by Hannahbanana3197 « Fri Jan 28, 2011 2:42 pm
Replies: 2
by Hannahbanana3197 » Wed Jan 26, 2011 5:17 pm

2 Replies

3242 Views

Last post by Hannahbanana3197
Fri Jan 28, 2011 2:42 pm
Problem with Veggie-Powered project

Last post by Craig_Bridge « Thu Jan 27, 2011 7:29 pm
Replies: 7
by novisibles » Wed Jan 19, 2011 12:37 pm

7 Replies

5555 Views

Last post by Craig_Bridge
Thu Jan 27, 2011 7:29 pm
Ph level change

Last post by Craig_Bridge « Thu Jan 27, 2011 7:24 pm
Replies: 2
by ECollins » Tue Jan 25, 2011 4:21 pm

2 Replies

3554 Views

Last post by Craig_Bridge
Thu Jan 27, 2011 7:24 pm
Veggie Power

Last post by robertreavis « Thu Jan 27, 2011 2:59 pm
Replies: 2
by rileygray1996 » Wed Jan 26, 2011 1:49 pm

2 Replies

3332 Views

Last post by robertreavis
Thu Jan 27, 2011 2:59 pm
Thermal Depolymerization

Last post by Ray Trent « Tue Jan 25, 2011 9:43 pm
Replies: 1
by joey6978 » Sat Jan 22, 2011 2:41 pm

1 Replies

2813 Views

Last post by Ray Trent
Tue Jan 25, 2011 9:43 pm
Please help by answering Interview questions - Chemistry

Last post by charbogt « Sun Jan 23, 2011 4:08 pm

by charbogt » Sun Jan 23, 2011 4:08 pm

0 Replies

3811 Views

Last post by charbogt
Sun Jan 23, 2011 4:08 pm
Need Formula for Surface Tension

Last post by barretttomlinson « Sun Jan 23, 2011 3:37 am
Replies: 1
by rizzodr » Thu Jan 20, 2011 3:45 pm

1 Replies

3475 Views

Last post by barretttomlinson
Sun Jan 23, 2011 3:37 am
Repost: Science fair forms for "take a Muscial Step Back"

Last post by janet41 « Fri Jan 21, 2011 5:09 pm
Replies: 2
by janet41 » Thu Jan 20, 2011 10:19 am

2 Replies

3250 Views

Last post by janet41
Fri Jan 21, 2011 5:09 pm
help with AM transmitter using radio shack breadboard

Last post by malkenz « Fri Jan 21, 2011 3:30 pm
Replies: 2
by malkenz » Thu Jan 20, 2011 6:22 pm

2 Replies

3841 Views

Last post by malkenz
Fri Jan 21, 2011 3:30 pm
Rubber Band Can...

Last post by alexhunt « Thu Jan 20, 2011 5:15 pm
Replies: 2
by alexhunt » Sat Jan 15, 2011 8:32 am

2 Replies

8563 Views

Last post by alexhunt
Thu Jan 20, 2011 5:15 pm
variation of wind project

Last post by edneu3 « Thu Jan 20, 2011 12:25 pm
Replies: 1
by gloria » Mon Jan 17, 2011 2:33 pm

1 Replies

2664 Views

Last post by edneu3
Thu Jan 20, 2011 12:25 pm
Need to have an Interview for my Science Fair project

Last post by charbogt « Wed Jan 19, 2011 2:35 pm
Replies: 1
by charbogt » Wed Jan 12, 2011 9:20 pm

1 Replies

3084 Views

Last post by charbogt
Wed Jan 19, 2011 2:35 pm
Need help finding a sufficient heat source.

Last post by robertreavis « Wed Jan 19, 2011 2:32 pm
Replies: 4
by starkpr » Tue Jan 11, 2011 6:33 pm

4 Replies

4249 Views

Last post by robertreavis
Wed Jan 19, 2011 2:32 pm
Surface Tension

Last post by barretttomlinson « Wed Jan 19, 2011 3:02 am
Replies: 1
by rizzodr » Tue Jan 18, 2011 5:32 pm

1 Replies

3253 Views

Last post by barretttomlinson
Wed Jan 19, 2011 3:02 am
organic soap

Last post by barretttomlinson « Tue Jan 18, 2011 12:26 am
Replies: 1
by andreaBELL1998 » Mon Jan 17, 2011 6:56 pm

1 Replies

3138 Views

Last post by barretttomlinson
Tue Jan 18, 2011 12:26 am
Orange juice titration

Last post by barretttomlinson « Tue Jan 18, 2011 12:10 am
Replies: 1
by doctorC » Mon Jan 17, 2011 9:25 am

1 Replies

4631 Views

Last post by barretttomlinson
Tue Jan 18, 2011 12:10 am
Distance between 2 points

Last post by barretttomlinson « Mon Jan 17, 2011 5:11 am
Replies: 1
by alex97 » Sat Jan 15, 2011 11:54 am

1 Replies

2753 Views

Last post by barretttomlinson
Mon Jan 17, 2011 5:11 am
RAINBOW FIRE HELP (:

Last post by barretttomlinson « Mon Jan 17, 2011 3:07 am
Replies: 1
by Asiaite » Sat Jan 15, 2011 5:28 pm

1 Replies

3223 Views

Last post by barretttomlinson
Mon Jan 17, 2011 3:07 am
What are the various properties of a substance that determin

Last post by prestontjr1967 « Sun Jan 16, 2011 6:06 pm

by prestontjr1967 » Sun Jan 16, 2011 6:06 pm

0 Replies

3815 Views

Last post by prestontjr1967
Sun Jan 16, 2011 6:06 pm
Electronic Pollution

Last post by rmarz « Sun Jan 16, 2011 5:03 pm
Replies: 1
by aj87 » Sun Jan 16, 2011 9:53 am

1 Replies

4098 Views

Last post by rmarz
Sun Jan 16, 2011 5:03 pm
Does foliage effect surface land temperature?

Last post by Liana14 « Wed Jan 12, 2011 6:36 pm
Replies: 2
by Liana14 » Thu Jan 06, 2011 6:04 pm

2 Replies

3136 Views

Last post by Liana14
Wed Jan 12, 2011 6:36 pm
Heat Retention

Last post by piggy102 « Wed Jan 12, 2011 6:33 pm

by piggy102 » Wed Jan 12, 2011 6:33 pm

0 Replies

4048 Views

Last post by piggy102
Wed Jan 12, 2011 6:33 pm
More complete directions for building the seismograph

Last post by AerospaceGuy « Wed Jan 12, 2011 3:44 pm
Replies: 2
by TVBrain » Tue Jan 11, 2011 12:25 pm

2 Replies

4465 Views

Last post by AerospaceGuy
Wed Jan 12, 2011 3:44 pm
Audacity Help!!!

Last post by edneu3 « Wed Jan 12, 2011 12:53 pm
Replies: 3
by hurleyan » Thu Dec 30, 2010 5:41 pm

3 Replies

6456 Views

Last post by edneu3
Wed Jan 12, 2011 12:53 pm
Chemistry; Soap Synthesis

Last post by donnahardy2 « Tue Jan 11, 2011 5:44 pm
Replies: 4
by Noelle » Sat Jan 08, 2011 7:06 pm

4 Replies

5150 Views

Last post by donnahardy2
Tue Jan 11, 2011 5:44 pm
how do you find out the death of a dead human?

Last post by arianas454 « Fri Jan 14, 2011 3:32 pm
Replies: 5
by arianas454 » Tue Jan 11, 2011 4:33 pm

5 Replies

4627 Views

Last post by arianas454
Fri Jan 14, 2011 3:32 pm
Strength-to-weight ratio

Last post by Craig_Bridge « Tue Jan 11, 2011 3:28 pm
Replies: 2
by codeblue286 » Wed Jan 05, 2011 7:01 pm

2 Replies

6232 Views

Last post by Craig_Bridge
Tue Jan 11, 2011 3:28 pm
do solids have an effect on melting ice?

Last post by laracroft « Tue Jan 11, 2011 2:19 pm
Replies: 2
by laracroft » Thu Jan 06, 2011 6:35 pm

2 Replies

3565 Views

Last post by laracroft
Tue Jan 11, 2011 2:19 pm
Pop Goes The Geyser

Last post by kgudger « Mon Jan 10, 2011 9:53 am
Replies: 5
by ellie865 » Tue Jan 04, 2011 1:16 pm

5 Replies

5168 Views

Last post by kgudger
Mon Jan 10, 2011 9:53 am
Cooking Muffins

Last post by kara.1998 « Sun Jan 09, 2011 5:51 pm
Replies: 8
by kara.1998 » Sat Jan 08, 2011 5:46 pm

8 Replies

11410 Views

Last post by kara.1998
Sun Jan 09, 2011 5:51 pm
!!! Science Fair Interview (Need by tomorrow)

Last post by Briere48 « Sun Jan 09, 2011 1:10 pm

by Briere48 » Sun Jan 09, 2011 1:10 pm

0 Replies

3591 Views

Last post by Briere48
Sun Jan 09, 2011 1:10 pm

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