Ask an Expert: Grades 6-8: Physical Science

Grades 6-8: Physical Science

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Too many uncontrolled variables?

Last post by aria12 « Sat Jan 04, 2014 9:58 pm
Replies: 5
by aria12 » Fri Jan 03, 2014 9:43 am

5 Replies

5173 Views

Last post by aria12
Sat Jan 04, 2014 9:58 pm
How do I measure the grease in fast food french fries?

Last post by TheGiantCookie « Sat Jan 04, 2014 12:45 pm
Replies: 2
by trhodes72 » Wed Jan 01, 2014 9:19 am

2 Replies

9005 Views

Last post by TheGiantCookie
Sat Jan 04, 2014 12:45 pm
Energy in Different Types of Food question

Last post by TheGiantCookie « Sat Jan 04, 2014 10:56 am
Replies: 5
by TheGiantCookie » Thu Jan 02, 2014 9:27 pm

5 Replies

4223 Views

Last post by TheGiantCookie
Sat Jan 04, 2014 10:56 am
turning a myth into a testable question

Last post by MrsDixon « Fri Jan 03, 2014 11:45 am
Replies: 2
by MrsDixon » Fri Jan 03, 2014 9:16 am

2 Replies

3708 Views

Last post by MrsDixon
Fri Jan 03, 2014 11:45 am
Solar cells

Last post by kgudger « Tue Dec 31, 2013 9:02 pm
Replies: 2
by myth » Tue Jul 09, 2013 1:33 pm

2 Replies

5062 Views

Last post by kgudger
Tue Dec 31, 2013 9:02 pm
project design

Last post by jd1 « Mon Dec 30, 2013 9:32 am
Replies: 2
by jd1 » Mon Dec 30, 2013 12:20 am

2 Replies

2484 Views

Last post by jd1
Mon Dec 30, 2013 9:32 am
Scientific method

Last post by mglim « Mon Dec 30, 2013 9:09 am
Replies: 1
by candy4me » Sun Dec 29, 2013 8:49 pm

1 Replies

4544 Views

Last post by mglim
Mon Dec 30, 2013 9:09 am
I want a beginner easy project for science fair

Last post by dcnick96 « Wed Dec 25, 2013 8:05 pm
Replies: 1
by Abdullah » Wed Dec 25, 2013 6:47 am

1 Replies

6008 Views

Last post by dcnick96
Wed Dec 25, 2013 8:05 pm
Fastest way to cool a soda How to make the graph

Last post by dcnick96 « Tue Dec 24, 2013 10:33 pm
Replies: 14
by Harrish88 » Mon Dec 23, 2013 6:16 pm

14 Replies

12277 Views

Last post by dcnick96
Tue Dec 24, 2013 10:33 pm
Absorption of Radiant Energy by Different Colors: HELP!!!

Last post by jordcic12 « Tue Dec 24, 2013 11:12 am
Replies: 2
by jordcic12 » Mon Dec 16, 2013 2:19 pm

2 Replies

3036 Views

Last post by jordcic12
Tue Dec 24, 2013 11:12 am
affects of temperature on solar cells

Last post by Sciencefairq « Sun Dec 22, 2013 2:08 pm
Replies: 4
by Sciencefairq » Tue Dec 10, 2013 2:41 pm

4 Replies

3429 Views

Last post by Sciencefairq
Sun Dec 22, 2013 2:08 pm
hypothesis for sympathetic vibration experiment

Last post by Terik Daly « Sat Dec 21, 2013 5:28 pm
Replies: 3
by two » Thu Dec 19, 2013 4:55 pm

3 Replies

7740 Views

Last post by Terik Daly
Sat Dec 21, 2013 5:28 pm
Mentor for Wind turbine project

Last post by Terik Daly « Fri Dec 20, 2013 10:03 am
Replies: 1
by aaron786 » Sun Dec 15, 2013 4:56 pm

1 Replies

2276 Views

Last post by Terik Daly
Fri Dec 20, 2013 10:03 am
Air convection through a tube

Last post by Kenna007 « Sun Dec 15, 2013 5:56 pm
Replies: 3
by Kenna007 » Sun Dec 15, 2013 1:39 pm

3 Replies

3357 Views

Last post by Kenna007
Sun Dec 15, 2013 5:56 pm
Structural Engineers?

Last post by Terik Daly « Fri Dec 13, 2013 8:32 am
Replies: 1
by SMargaret » Thu Dec 12, 2013 7:57 pm

1 Replies

2515 Views

Last post by Terik Daly
Fri Dec 13, 2013 8:32 am
Soybeans GMO vs. Organic

Last post by Asking question « Sat Dec 07, 2013 10:52 am
Replies: 2
by Asking question » Sun Dec 01, 2013 2:44 pm

2 Replies

3723 Views

Last post by Asking question
Sat Dec 07, 2013 10:52 am
How does temperature affect how far a Rubber Band will Shoot

Last post by audreyln « Fri Dec 06, 2013 3:24 pm
Replies: 2
by Reese_1999 » Thu Dec 05, 2013 7:58 pm

2 Replies

3807 Views

Last post by audreyln
Fri Dec 06, 2013 3:24 pm
Science Fair

Last post by quaid_forbes « Fri May 09, 2014 10:35 pm
Replies: 2
by Jose1 » Mon Dec 02, 2013 7:39 pm

2 Replies

5055 Views

Last post by quaid_forbes
Fri May 09, 2014 10:35 pm
soccer ball air pressure

Last post by abeljohnson « Sun Dec 01, 2013 9:23 pm
Replies: 10
by Soccerfan » Mon Jun 16, 2008 10:15 pm

10 Replies

33618 Views

Last post by abeljohnson
Sun Dec 01, 2013 9:23 pm
PEM FUEL CELLS

Last post by Adriana39 « Sun Dec 01, 2013 10:16 am
Replies: 4
by Adriana39 » Wed Nov 20, 2013 10:19 pm

4 Replies

4153 Views

Last post by Adriana39
Sun Dec 01, 2013 10:16 am
Marble roller coaster

Last post by rmarz « Sun Dec 01, 2013 9:56 am
Replies: 1
by Jillychris » Sun Dec 01, 2013 8:03 am

1 Replies

4005 Views

Last post by rmarz
Sun Dec 01, 2013 9:56 am
Physics roller coaster

Last post by vysarge « Sun Dec 01, 2013 8:27 am
Replies: 1
by Cherriwatt » Sat Nov 30, 2013 5:45 pm

1 Replies

3502 Views

Last post by vysarge
Sun Dec 01, 2013 8:27 am
Iron Nails

Last post by mmaglio22 « Sat Nov 30, 2013 6:11 pm
Replies: 2
by mmaglio22 » Sat Nov 30, 2013 12:09 pm

2 Replies

15793 Views

Last post by mmaglio22
Sat Nov 30, 2013 6:11 pm
Do I have to have a 50KV power supply For the Anti-Gravity

Last post by Lorismith68 « Sat Nov 30, 2013 11:52 am
Replies: 4
by DeadArby5 » Thu Feb 02, 2012 12:04 pm

4 Replies

4376 Views

Last post by Lorismith68
Sat Nov 30, 2013 11:52 am
Is it possible to test e=mc2?

Last post by Terik Daly « Fri Nov 29, 2013 9:43 am
Replies: 1
by MurphysLaw » Wed Nov 27, 2013 5:56 pm

1 Replies

2905 Views

Last post by Terik Daly
Fri Nov 29, 2013 9:43 am
Microbial Fuel Cell and Wind-powered electrolysis cell

Last post by moghuls « Thu Nov 28, 2013 10:40 am
Replies: 1
by moghuls » Wed Nov 27, 2013 6:52 pm

1 Replies

2544 Views

Last post by moghuls
Thu Nov 28, 2013 10:40 am
time travel

Last post by MurphysLaw « Wed Nov 27, 2013 6:02 pm
Replies: 2
by Daniella Montanez » Sat Nov 23, 2013 10:24 am

2 Replies

3052 Views

Last post by MurphysLaw
Wed Nov 27, 2013 6:02 pm
Magnets and Batteries

Last post by isa7bot « Fri Nov 22, 2013 10:38 pm
Replies: 2
by isa7bot » Mon Nov 18, 2013 6:18 pm

2 Replies

20018 Views

Last post by isa7bot
Fri Nov 22, 2013 10:38 pm
Ion Engine Propellant

Last post by Terik Daly « Fri Nov 22, 2013 1:01 pm
Replies: 5
by TheLeopard065 » Mon Nov 11, 2013 5:19 pm

5 Replies

3713 Views

Last post by Terik Daly
Fri Nov 22, 2013 1:01 pm
Underwater Robot with camera

Last post by Terik Daly « Fri Nov 22, 2013 12:24 pm
Replies: 1
by JMG » Wed Nov 20, 2013 4:57 pm

1 Replies

3811 Views

Last post by Terik Daly
Fri Nov 22, 2013 12:24 pm
Science Project Title

Last post by JChang « Sun Nov 17, 2013 4:02 pm
Replies: 4
by cjow 12 » Mon Nov 11, 2013 11:57 pm

4 Replies

4808 Views

Last post by JChang
Sun Nov 17, 2013 4:02 pm
How Boat hulls affect buoyancy

Last post by nithi97 « Tue Nov 12, 2013 8:05 pm
Replies: 1
by TreesDied » Tue Nov 12, 2013 7:45 pm

1 Replies

3126 Views

Last post by nithi97
Tue Nov 12, 2013 8:05 pm
Sky

Last post by nithi97 « Tue Nov 12, 2013 7:50 pm
Replies: 1
by ookiepookie117 » Tue Nov 12, 2013 10:24 am

1 Replies

2402 Views

Last post by nithi97
Tue Nov 12, 2013 7:50 pm
Is there any question that has to do with making a dobsonian

Last post by kgudger « Mon Nov 11, 2013 9:51 pm
Replies: 1
by ishish » Mon Nov 11, 2013 12:10 pm

1 Replies

2399 Views

Last post by kgudger
Mon Nov 11, 2013 9:51 pm
finding data track spacing on cds/dvds using a laser pointer

Last post by dcnick96 « Mon Nov 11, 2013 11:28 am
Replies: 15
by scatswimmer » Sat Nov 02, 2013 4:27 pm

15 Replies

7108 Views

Last post by dcnick96
Mon Nov 11, 2013 11:28 am
What to test

Last post by Terik Daly « Fri Nov 08, 2013 8:22 am
Replies: 1
by SpringFrost » Tue Nov 05, 2013 4:07 pm

1 Replies

3354 Views

Last post by Terik Daly
Fri Nov 08, 2013 8:22 am
A simple solar cell from scratch

Last post by MarioRice « Tue Nov 05, 2013 11:45 pm
Replies: 5
by candy4me » Thu Mar 28, 2013 4:57 pm

5 Replies

5497 Views

Last post by MarioRice
Tue Nov 05, 2013 11:45 pm
type of wood

Last post by Joshing Josh « Tue Nov 05, 2013 11:59 am
Replies: 4
by Joshing Josh » Mon Oct 28, 2013 10:22 am

4 Replies

3344 Views

Last post by Joshing Josh
Tue Nov 05, 2013 11:59 am
chemistry

Last post by kgudger « Tue Nov 05, 2013 9:24 am
Replies: 1
by Cfinley » Mon Nov 04, 2013 7:18 pm

1 Replies

2501 Views

Last post by kgudger
Tue Nov 05, 2013 9:24 am
invertase and glucose

Last post by inquisitive « Mon Nov 04, 2013 12:01 pm
Replies: 4
by Powfam06 » Mon Feb 18, 2013 7:55 pm

4 Replies

4517 Views

Last post by inquisitive
Mon Nov 04, 2013 12:01 pm
PaintBall Ballistics

Last post by kgudger « Mon Nov 04, 2013 8:04 am
Replies: 1
by iHeartDNA » Fri Nov 01, 2013 6:43 am

1 Replies

2947 Views

Last post by kgudger
Mon Nov 04, 2013 8:04 am
Average construction beam strength?!!!! VERY IMPORTANT!!!

Last post by kgudger « Mon Nov 04, 2013 7:58 am
Replies: 1
by SMargaret » Thu Oct 31, 2013 12:00 pm

1 Replies

2324 Views

Last post by kgudger
Mon Nov 04, 2013 7:58 am
potato battery

Last post by rmarz « Sun Nov 03, 2013 10:41 pm
Replies: 3
by Cathy9 » Sat Nov 02, 2013 11:17 am

3 Replies

15373 Views

Last post by rmarz
Sun Nov 03, 2013 10:41 pm
Illumination geometry help

Last post by gmike « Sun Nov 03, 2013 4:56 pm
Replies: 1
by gmike » Sun Nov 03, 2013 12:09 pm

1 Replies

2239 Views

Last post by gmike
Sun Nov 03, 2013 4:56 pm
RC helicopter liftoff

Last post by quickstorm22 « Fri Nov 01, 2013 12:59 pm
Replies: 2
by quickstorm22 » Tue Oct 29, 2013 9:55 pm

2 Replies

4132 Views

Last post by quickstorm22
Fri Nov 01, 2013 12:59 pm
chemistry

Last post by amyc « Fri Nov 01, 2013 6:14 am
Replies: 1
by Chemistry1313 » Tue Oct 29, 2013 3:15 pm

1 Replies

2504 Views

Last post by amyc
Fri Nov 01, 2013 6:14 am
Electrolytes Challenge

Last post by rmarz « Wed Oct 30, 2013 6:10 am
Replies: 1
by barnold » Tue Oct 29, 2013 7:02 pm

1 Replies

2439 Views

Last post by rmarz
Wed Oct 30, 2013 6:10 am
"Stressed Out" project,(Materials Science)

Last post by SMargaret « Mon Oct 28, 2013 7:23 pm
Replies: 2
by SMargaret » Mon Oct 28, 2013 4:11 pm

2 Replies

2685 Views

Last post by SMargaret
Mon Oct 28, 2013 7:23 pm
chemistry

Last post by Terik Daly « Fri Oct 25, 2013 1:25 pm
Replies: 1
by smartin1716 » Wed Oct 23, 2013 2:00 pm

1 Replies

6591 Views

Last post by Terik Daly
Fri Oct 25, 2013 1:25 pm
correct wording for hypothesis

Last post by theborg « Wed Oct 23, 2013 7:05 pm
Replies: 1
by JoeyIII » Tue Oct 22, 2013 7:25 am

1 Replies

3537 Views

Last post by theborg
Wed Oct 23, 2013 7:05 pm

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