Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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RE: Colour filters

Last post by LeungWilley « Thu Jan 12, 2017 5:39 pm
Replies: 1
by shweta1 » Thu Jan 12, 2017 5:35 am

1 Replies

2200 Views

Last post by LeungWilley
Thu Jan 12, 2017 5:39 pm
Investigation of the effect of junctions on the seebeck voltage

Last post by LeungWilley « Thu Jan 12, 2017 5:31 pm
Replies: 1
by seongminy2424 » Thu Jan 12, 2017 5:23 pm

1 Replies

2330 Views

Last post by LeungWilley
Thu Jan 12, 2017 5:31 pm
Making Markers

Last post by LeungWilley « Thu Jan 12, 2017 5:27 pm
Replies: 1
by Leli_B » Thu Jan 12, 2017 2:27 pm

1 Replies

2420 Views

Last post by LeungWilley
Thu Jan 12, 2017 5:27 pm
Potassium Alum and Electrolysis

Last post by Kartik007 « Wed Jan 11, 2017 10:47 pm
Replies: 4
by Eliman134 » Wed Feb 03, 2016 2:40 pm

4 Replies

5778 Views

Last post by Kartik007
Wed Jan 11, 2017 10:47 pm
Bang out of Breath Spray, No Explosion

Last post by tmitchellpe « Tue Jan 10, 2017 6:15 pm

by tmitchellpe » Tue Jan 10, 2017 6:15 pm

0 Replies

4546 Views

Last post by tmitchellpe
Tue Jan 10, 2017 6:15 pm
Egg surface - flat or pointet - Help needed to start experiment

Last post by norman40 « Mon Jan 09, 2017 2:05 pm
Replies: 1
by Olej » Mon Jan 09, 2017 9:38 am

1 Replies

2203 Views

Last post by norman40
Mon Jan 09, 2017 2:05 pm
My project won't work

Last post by norman40 « Mon Jan 09, 2017 1:27 pm
Replies: 1
by Kevwelch » Sat Jan 07, 2017 11:10 am

1 Replies

2360 Views

Last post by norman40
Mon Jan 09, 2017 1:27 pm
science project help

Last post by Sibylla « Sun Jan 08, 2017 5:34 pm
Replies: 2
by Sibylla » Wed Nov 09, 2016 5:16 pm

2 Replies

2291 Views

Last post by Sibylla
Sun Jan 08, 2017 5:34 pm
Using the energy of movement to create electricity

Last post by LeungWilley « Thu Jan 05, 2017 8:21 pm
Replies: 1
by VeryConfusedScienceStudent » Thu Jan 05, 2017 7:04 pm

1 Replies

2020 Views

Last post by LeungWilley
Thu Jan 05, 2017 8:21 pm
Real world situations

Last post by LeungWilley « Thu Jan 05, 2017 5:18 pm
Replies: 1
by shejamaixan » Thu Jan 05, 2017 10:35 am

1 Replies

2183 Views

Last post by LeungWilley
Thu Jan 05, 2017 5:18 pm
Dependent vs. Independent variable help

Last post by dcnick96 « Wed Jan 04, 2017 7:29 pm
Replies: 7
by lisaromero420 » Thu Feb 20, 2014 11:02 pm

7 Replies

13200 Views

Last post by dcnick96
Wed Jan 04, 2017 7:29 pm
Led Traffic Gloves

Last post by norman40 « Tue Jan 03, 2017 6:28 pm
Replies: 3
by SnowFall201 » Sun Dec 04, 2016 6:58 pm

3 Replies

4544 Views

Last post by norman40
Tue Jan 03, 2017 6:28 pm
Questions about How Blue is your Sport Drink?

Last post by norman40 « Tue Jan 03, 2017 5:31 pm
Replies: 18
by IMKudaimi » Mon Dec 05, 2016 9:27 pm

18 Replies

7281 Views

Last post by norman40
Tue Jan 03, 2017 5:31 pm
Ski lift: pulley system

Last post by Jacknoll « Thu Dec 29, 2016 7:51 pm
Replies: 2
by Jacknoll » Thu Dec 29, 2016 12:21 pm

2 Replies

2785 Views

Last post by Jacknoll
Thu Dec 29, 2016 7:51 pm
Ideas on Null Hypothesis

Last post by RoAklano « Mon Dec 26, 2016 2:49 pm
Replies: 1
by hussainfatima » Mon Dec 26, 2016 1:01 pm

1 Replies

2347 Views

Last post by RoAklano
Mon Dec 26, 2016 2:49 pm
Surface chemistry doubt in ADSORPTION

Last post by norman40 « Mon Dec 26, 2016 8:01 am
Replies: 1
by maravindthangam » Sun Dec 25, 2016 8:05 am

1 Replies

2279 Views

Last post by norman40
Mon Dec 26, 2016 8:01 am
chemistry

Last post by david10d « Mon Dec 26, 2016 12:11 am
Replies: 2
by david10d » Thu Dec 15, 2016 4:30 am

2 Replies

2564 Views

Last post by david10d
Mon Dec 26, 2016 12:11 am
Temperature change relative to time

Last post by chbrandt « Mon Dec 26, 2016 12:08 am
Replies: 2
by chbrandt » Sat Dec 24, 2016 4:54 pm

2 Replies

2343 Views

Last post by chbrandt
Mon Dec 26, 2016 12:08 am
Lactose,Sucrose, and Glucose: How Many Sugars are in Your Smoothie?

Last post by tdaly « Fri Dec 23, 2016 8:06 am
Replies: 1
by BreannaSpinner_ » Mon Dec 19, 2016 2:42 pm

1 Replies

2747 Views

Last post by tdaly
Fri Dec 23, 2016 8:06 am
Why is the water pH on my college campus extremely acidic?

Last post by tdaly « Fri Dec 23, 2016 7:46 am
Replies: 1
by dianagodlevskaya » Fri Dec 16, 2016 12:34 pm

1 Replies

2409 Views

Last post by tdaly
Fri Dec 23, 2016 7:46 am
Science Fair project Idea on ElectroMagnetism

Last post by LeungWilley « Fri Dec 23, 2016 5:14 am
Replies: 1
by Jagrit » Fri Dec 16, 2016 5:48 pm

1 Replies

2564 Views

Last post by LeungWilley
Fri Dec 23, 2016 5:14 am
human power(force) needed by generator to produce electtricity

Last post by LeungWilley « Fri Dec 23, 2016 4:59 am
Replies: 5
by romesh » Fri Dec 09, 2016 8:38 am

5 Replies

3846 Views

Last post by LeungWilley
Fri Dec 23, 2016 4:59 am
Building your own tool for identifying DNA

Last post by LeungWilley « Thu Dec 22, 2016 3:51 pm
Replies: 2
by NataliaCul » Thu Dec 22, 2016 11:08 am

2 Replies

4348 Views

Last post by LeungWilley
Thu Dec 22, 2016 3:51 pm
perpetual motion

Last post by rmarz « Wed Dec 21, 2016 11:51 pm
Replies: 1
by romesh » Mon Dec 19, 2016 8:29 pm

1 Replies

2070 Views

Last post by rmarz
Wed Dec 21, 2016 11:51 pm
wear in motor

Last post by rmarz « Wed Dec 21, 2016 11:47 pm
Replies: 1
by romesh » Mon Dec 19, 2016 8:55 pm

1 Replies

2103 Views

Last post by rmarz
Wed Dec 21, 2016 11:47 pm
Forensic Science: DNA analysis

Last post by MadelineB « Wed Dec 21, 2016 10:10 pm
Replies: 1
by NataliaCul » Sun Dec 18, 2016 6:49 pm

1 Replies

2683 Views

Last post by MadelineB
Wed Dec 21, 2016 10:10 pm
SCIENCE FAIR PROJECT IDEAS ON WEAVE

Last post by stephen_lee « Sun Dec 18, 2016 3:08 pm
Replies: 1
by YANNAWHITAKER » Fri Dec 09, 2016 7:17 pm

1 Replies

2165 Views

Last post by stephen_lee
Sun Dec 18, 2016 3:08 pm
Helmholtz Coil?

Last post by maganda111 « Sat Dec 17, 2016 4:51 pm

by maganda111 » Sat Dec 17, 2016 4:51 pm

0 Replies

4587 Views

Last post by maganda111
Sat Dec 17, 2016 4:51 pm
Help on "Absorption of Radiant Energy by Different Colors"

Last post by stephen_lee « Sun Dec 11, 2016 2:34 pm
Replies: 1
by KarinaN01 » Sat Dec 10, 2016 2:55 pm

1 Replies

2416 Views

Last post by stephen_lee
Sun Dec 11, 2016 2:34 pm
Motor

Last post by LeungWilley « Fri Dec 09, 2016 4:08 pm
Replies: 1
by abdulnoormuro » Sat Dec 03, 2016 11:03 pm

1 Replies

2117 Views

Last post by LeungWilley
Fri Dec 09, 2016 4:08 pm
DIY Nano composites

Last post by Exk7865 « Thu Dec 08, 2016 7:21 pm

by Exk7865 » Thu Dec 08, 2016 7:21 pm

0 Replies

4292 Views

Last post by Exk7865
Thu Dec 08, 2016 7:21 pm
Absorption of radiant energy by different colors

Last post by norman40 « Tue Dec 06, 2016 5:08 pm
Replies: 1
by Brittany321 » Tue Dec 06, 2016 4:38 pm

1 Replies

2249 Views

Last post by norman40
Tue Dec 06, 2016 5:08 pm
Preponderance of matter.

Last post by adrianxw « Mon Dec 05, 2016 10:40 pm
Replies: 2
by adrianxw » Mon Dec 05, 2016 8:26 am

2 Replies

2595 Views

Last post by adrianxw
Mon Dec 05, 2016 10:40 pm
seebeck effect

Last post by norman40 « Mon Dec 05, 2016 2:13 pm
Replies: 1
by puth » Sun Dec 04, 2016 6:34 pm

1 Replies

2360 Views

Last post by norman40
Mon Dec 05, 2016 2:13 pm
Simple Paper Chromatography

Last post by norman40 « Sun Dec 04, 2016 3:42 pm
Replies: 4
by yayapizza » Sat Dec 03, 2016 2:57 pm

4 Replies

3334 Views

Last post by norman40
Sun Dec 04, 2016 3:42 pm
Chemistry project: effect of biowastes on biogas production

Last post by stephen_lee « Sun Dec 04, 2016 2:38 pm
Replies: 1
by annastevenson » Fri Dec 02, 2016 8:27 pm

1 Replies

2180 Views

Last post by stephen_lee
Sun Dec 04, 2016 2:38 pm
chemistry

Last post by norman40 « Sun Dec 04, 2016 8:52 am
Replies: 3
by greenfamily » Mon Nov 28, 2016 5:07 pm

3 Replies

2539 Views

Last post by norman40
Sun Dec 04, 2016 8:52 am
UV beads experiment Question

Last post by norman40 « Thu Dec 01, 2016 4:50 pm
Replies: 1
by Tyler1142 » Mon Nov 28, 2016 5:01 pm

1 Replies

2246 Views

Last post by norman40
Thu Dec 01, 2016 4:50 pm
Photo of sky shows bright purple and red stars not visible to the eye?

Last post by Saladin « Wed Nov 30, 2016 9:40 pm
Replies: 2
by Saladin » Wed Nov 30, 2016 4:12 pm

2 Replies

2686 Views

Last post by Saladin
Wed Nov 30, 2016 9:40 pm
Crime Scene Chemistry

Last post by karenzyj « Wed Nov 30, 2016 7:26 pm
Replies: 1
by hebaalbibi » Tue Nov 29, 2016 7:03 pm

1 Replies

2291 Views

Last post by karenzyj
Wed Nov 30, 2016 7:26 pm
production of orange juice(inputs ineconomics)

Last post by Jackiedoo17 « Mon Nov 28, 2016 2:44 am

by Jackiedoo17 » Mon Nov 28, 2016 2:44 am

0 Replies

4246 Views

Last post by Jackiedoo17
Mon Nov 28, 2016 2:44 am
Absorption of radiant energy by different colors

Last post by norman40 « Sun Nov 27, 2016 4:18 pm
Replies: 1
by Brittany321 » Sat Nov 26, 2016 5:15 pm

1 Replies

2152 Views

Last post by norman40
Sun Nov 27, 2016 4:18 pm
rubber washer / gasket materials - bathroom sink

Last post by edward137 « Sun Nov 27, 2016 12:21 pm
Replies: 3
by sludge7051-x » Sat Feb 21, 2015 10:57 am

3 Replies

28209 Views

Last post by edward137
Sun Nov 27, 2016 12:21 pm
Experimenting with water

Last post by LeungWilley « Sat Nov 26, 2016 12:55 pm
Replies: 1
by Brainstrom » Mon Nov 21, 2016 10:44 am

1 Replies

2590 Views

Last post by LeungWilley
Sat Nov 26, 2016 12:55 pm
Open circuit condition square wave voltammetry

Last post by LeungWilley « Sat Nov 26, 2016 12:41 pm
Replies: 1
by Escar » Thu Nov 24, 2016 4:55 am

1 Replies

2133 Views

Last post by LeungWilley
Sat Nov 26, 2016 12:41 pm
Lever in Toys

Last post by erbreve « Sat Nov 26, 2016 8:39 am
Replies: 2
by erbreve » Tue Nov 22, 2016 7:20 am

2 Replies

4004 Views

Last post by erbreve
Sat Nov 26, 2016 8:39 am
chemistry

Last post by norman40 « Wed Nov 23, 2016 4:59 pm
Replies: 1
by Nathan_Miller » Mon Nov 21, 2016 12:31 pm

1 Replies

2228 Views

Last post by norman40
Wed Nov 23, 2016 4:59 pm
Hologram

Last post by norman40 « Wed Nov 23, 2016 4:48 pm
Replies: 1
by vivid16 » Sun Nov 20, 2016 9:28 am

1 Replies

3737 Views

Last post by norman40
Wed Nov 23, 2016 4:48 pm
Bernoulli's principle

Last post by mynameisyeshi « Tue Nov 22, 2016 7:38 am
Replies: 1
by mynameisyeshi » Tue Nov 22, 2016 7:37 am

1 Replies

2223 Views

Last post by mynameisyeshi
Tue Nov 22, 2016 7:38 am
How Blue is your Sport Drink? Analysis question

Last post by norman40 « Fri Nov 18, 2016 1:04 pm
Replies: 1
by Phoebe820 » Thu Nov 17, 2016 4:23 pm

1 Replies

2764 Views

Last post by norman40
Fri Nov 18, 2016 1:04 pm

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