Ask an Expert: Grades 9-12: Physical Science

Grades 9-12: Physical Science

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Measuring Voltage

Last post by suangchanok « Thu Nov 19, 2015 8:04 pm
Replies: 3
by suangchanok » Tue Nov 03, 2015 3:29 pm

3 Replies

3511 Views

Last post by suangchanok
Thu Nov 19, 2015 8:04 pm
HELP PLESE REPLY ASAP

Last post by mohag « Tue Nov 17, 2015 8:34 pm
Replies: 5
by sondous » Sun Jan 04, 2015 12:08 pm

5 Replies

3131 Views

Last post by mohag
Tue Nov 17, 2015 8:34 pm
Chemistry of ice cream making: lowering the freezing point of water

Last post by jennahurt99 « Mon Nov 16, 2015 7:13 am
Replies: 2
by jennahurt99 » Thu Nov 12, 2015 7:17 am

2 Replies

3458 Views

Last post by jennahurt99
Mon Nov 16, 2015 7:13 am
Help with project

Last post by kmyers2040 « Sat Nov 14, 2015 6:16 pm
Replies: 1
by doomlord » Fri Nov 13, 2015 10:15 pm

1 Replies

1883 Views

Last post by kmyers2040
Sat Nov 14, 2015 6:16 pm
Sleeping at Light Speed

Last post by LadyMorning « Sat Nov 14, 2015 1:30 pm
Replies: 2
by LadyMorning » Thu Nov 12, 2015 1:34 pm

2 Replies

2008 Views

Last post by LadyMorning
Sat Nov 14, 2015 1:30 pm
Heat transfer and Newton's law of cooling

Last post by norman40 « Thu Nov 12, 2015 4:04 pm
Replies: 3
by rockwalker » Wed Nov 11, 2015 1:18 pm

3 Replies

3926 Views

Last post by norman40
Thu Nov 12, 2015 4:04 pm
Radioactive particles decay

Last post by norman40 « Wed Nov 11, 2015 8:01 am
Replies: 1
by Sjaak » Wed Nov 11, 2015 5:20 am

1 Replies

1876 Views

Last post by norman40
Wed Nov 11, 2015 8:01 am
What is at the end of a polypropylene chain?

Last post by norman40 « Wed Nov 11, 2015 7:54 am
Replies: 1
by JuliusCaesium » Wed Nov 11, 2015 2:13 am

1 Replies

2101 Views

Last post by norman40
Wed Nov 11, 2015 7:54 am
Building your own tool for identifying DNA

Last post by williamcolocho « Tue Nov 10, 2015 10:11 pm
Replies: 1
by cdizzlecashmoney » Tue Nov 10, 2015 1:00 pm

1 Replies

3300 Views

Last post by williamcolocho
Tue Nov 10, 2015 10:11 pm
Variables

Last post by williamcolocho « Tue Nov 10, 2015 9:50 pm
Replies: 1
by cdizzlecashmoney » Tue Nov 10, 2015 9:34 am

1 Replies

2536 Views

Last post by williamcolocho
Tue Nov 10, 2015 9:50 pm
Variables

Last post by theborg « Tue Nov 10, 2015 12:14 pm
Replies: 1
by cdizzlecashmoney » Tue Nov 10, 2015 6:45 am

1 Replies

1913 Views

Last post by theborg
Tue Nov 10, 2015 12:14 pm
UV Bead Experiment

Last post by dcnick96 « Sun Nov 08, 2015 7:14 pm
Replies: 1
by MSG13 » Sun Nov 08, 2015 2:14 pm

1 Replies

2657 Views

Last post by dcnick96
Sun Nov 08, 2015 7:14 pm
How Does Color Affect Heating by the Absorption of Light Help!!! Thank you! Urgent!

Last post by iluv10is « Sun Nov 08, 2015 12:57 pm
Replies: 4
by iluv10is » Sat Oct 24, 2015 12:22 pm

4 Replies

3517 Views

Last post by iluv10is
Sun Nov 08, 2015 12:57 pm
Logbook

Last post by kmyers2040 « Sat Nov 07, 2015 6:10 pm
Replies: 1
by charlesxu » Sat Nov 07, 2015 8:49 am

1 Replies

2604 Views

Last post by kmyers2040
Sat Nov 07, 2015 6:10 pm
See the Light by Making a Cell Phone Spectrophotometer

Last post by audreyln « Fri Nov 06, 2015 3:08 pm
Replies: 1
by nad_kal » Sun Nov 01, 2015 7:35 am

1 Replies

2766 Views

Last post by audreyln
Fri Nov 06, 2015 3:08 pm
Time Dilation

Last post by tdaly « Fri Nov 06, 2015 8:46 am
Replies: 1
by spike3029 » Sun Nov 01, 2015 10:05 pm

1 Replies

2721 Views

Last post by tdaly
Fri Nov 06, 2015 8:46 am
Nuclear Explosion and proximity to ground zero

Last post by tdaly « Fri Nov 06, 2015 8:42 am
Replies: 1
by wk311 » Tue Nov 03, 2015 10:31 am

1 Replies

1862 Views

Last post by tdaly
Fri Nov 06, 2015 8:42 am
Particle Measurement in Solutions?

Last post by norman40 « Fri Nov 06, 2015 8:19 am
Replies: 5
by StevenW » Mon Nov 02, 2015 4:02 pm

5 Replies

3091 Views

Last post by norman40
Fri Nov 06, 2015 8:19 am
GPS SYSTEMS

Last post by BSTK « Thu Nov 05, 2015 6:00 pm
Replies: 17
by bobbyo » Sun Sep 01, 2013 8:29 pm

17 Replies

8757 Views

Last post by BSTK
Thu Nov 05, 2015 6:00 pm
NaHCO3 and vinegar

Last post by Hambone « Wed Nov 04, 2015 7:19 pm
Replies: 2
by Hambone » Wed Nov 04, 2015 10:09 am

2 Replies

2441 Views

Last post by Hambone
Wed Nov 04, 2015 7:19 pm
Convection Currents

Last post by ccrandell « Tue Nov 03, 2015 8:49 am
Replies: 4
by milig231 » Tue Oct 27, 2015 7:46 pm

4 Replies

3048 Views

Last post by ccrandell
Tue Nov 03, 2015 8:49 am
diodes and semiconductor devices

Last post by dcnick96 « Sun Nov 01, 2015 6:52 pm
Replies: 2
by ionsme » Sun Nov 01, 2015 11:42 am

2 Replies

2099 Views

Last post by dcnick96
Sun Nov 01, 2015 6:52 pm
DC Motor for efficient propeller design project

Last post by kmyers2040 « Sat Oct 31, 2015 4:48 pm
Replies: 1
by aplewy » Fri Oct 30, 2015 12:28 pm

1 Replies

2585 Views

Last post by kmyers2040
Sat Oct 31, 2015 4:48 pm
Converting 1/3 cups to metric and variables of my experiment??

Last post by norman40 « Fri Oct 30, 2015 6:50 am
Replies: 1
by Juliablt33 » Wed Oct 28, 2015 3:14 pm

1 Replies

2287 Views

Last post by norman40
Fri Oct 30, 2015 6:50 am
Design Ideas for electronic dice (7-segment display)

Last post by Bob55 « Fri Oct 30, 2015 5:02 am

by Bob55 » Fri Oct 30, 2015 5:02 am

0 Replies

2819 Views

Last post by Bob55
Fri Oct 30, 2015 5:02 am
Are LEDs the Future?

Last post by amyc « Thu Oct 29, 2015 6:20 am
Replies: 1
by LaneW » Tue Oct 27, 2015 8:43 am

1 Replies

2379 Views

Last post by amyc
Thu Oct 29, 2015 6:20 am
The Point of a Parabola: Focusing Signals for a Better Wireless Network

Last post by norman40 « Tue Oct 27, 2015 7:35 am
Replies: 3
by alexsorto1 » Sun Oct 25, 2015 9:10 pm

3 Replies

2517 Views

Last post by norman40
Tue Oct 27, 2015 7:35 am
distance of an electron from its nucleus

Last post by norman40 « Mon Oct 26, 2015 1:52 pm
Replies: 1
by bbgall55 » Mon Oct 26, 2015 2:26 am

1 Replies

2028 Views

Last post by norman40
Mon Oct 26, 2015 1:52 pm
blow bigger bubbles

Last post by norman40 « Sun Oct 25, 2015 5:17 pm
Replies: 1
by mads1272 » Thu Oct 22, 2015 10:09 am

1 Replies

2372 Views

Last post by norman40
Sun Oct 25, 2015 5:17 pm
Food Energy

Last post by norman40 « Sun Oct 25, 2015 4:54 pm
Replies: 1
by ameliamoye » Thu Oct 22, 2015 10:02 am

1 Replies

2271 Views

Last post by norman40
Sun Oct 25, 2015 4:54 pm
Calculating the range of a FM transmitter

Last post by norman40 « Sun Oct 25, 2015 4:29 pm
Replies: 1
by allahu2000 » Fri Oct 23, 2015 5:22 am

1 Replies

5736 Views

Last post by norman40
Sun Oct 25, 2015 4:29 pm
column chromatography

Last post by norman40 « Sun Oct 25, 2015 4:11 pm
Replies: 1
by mallorywoodland » Thu Oct 22, 2015 10:01 am

1 Replies

2314 Views

Last post by norman40
Sun Oct 25, 2015 4:11 pm
Gravity

Last post by kmyers2040 « Sat Oct 24, 2015 5:48 pm
Replies: 1
by Nishantpant » Sat Oct 24, 2015 8:01 am

1 Replies

2112 Views

Last post by kmyers2040
Sat Oct 24, 2015 5:48 pm
solar panels

Last post by tdaly « Fri Oct 23, 2015 7:52 am
Replies: 1
by jareynmartinez » Thu Oct 22, 2015 10:09 am

1 Replies

2131 Views

Last post by tdaly
Fri Oct 23, 2015 7:52 am
radiant heat

Last post by Tysyme « Thu Oct 22, 2015 10:15 am
Replies: 1
by Tysyme » Thu Oct 22, 2015 10:11 am

1 Replies

1838 Views

Last post by Tysyme
Thu Oct 22, 2015 10:15 am
Planetary Orbit Model

Last post by norman40 « Tue Oct 20, 2015 4:06 am
Replies: 1
by illuminatingluna » Fri Oct 16, 2015 1:40 pm

1 Replies

2220 Views

Last post by norman40
Tue Oct 20, 2015 4:06 am
Rainbow Fire Experiment - Outline Problem, Help is Needed!

Last post by williamcolocho « Mon Oct 19, 2015 8:45 pm
Replies: 1
by CheesyPandas15 » Mon Oct 19, 2015 5:13 pm

1 Replies

2379 Views

Last post by williamcolocho
Mon Oct 19, 2015 8:45 pm
Non-silicon solar cells

Last post by williamcolocho « Mon Oct 19, 2015 10:25 am
Replies: 1
by EchoTheCat » Sun Oct 18, 2015 9:02 pm

1 Replies

2080 Views

Last post by williamcolocho
Mon Oct 19, 2015 10:25 am
Carbon Monoxide

Last post by norman40 « Sun Oct 18, 2015 3:42 pm
Replies: 3
by allai » Sun Oct 11, 2015 8:00 am

3 Replies

2913 Views

Last post by norman40
Sun Oct 18, 2015 3:42 pm
Variables

Last post by tdaly « Fri Oct 16, 2015 10:37 am
Replies: 13
by gloria » Tue Oct 19, 2010 9:16 am

13 Replies

6722 Views

Last post by tdaly
Fri Oct 16, 2015 10:37 am
What are the physics of a guitar?

Last post by tdaly « Fri Oct 16, 2015 7:42 am
Replies: 1
by Joshua1998 » Mon Oct 12, 2015 8:27 am

1 Replies

2202 Views

Last post by tdaly
Fri Oct 16, 2015 7:42 am
HELP!! Need a Chemistry-related college or 11-12th grade project...

Last post by tdaly « Fri Oct 16, 2015 7:36 am
Replies: 2
by khalidh226 » Wed Oct 14, 2015 9:33 pm

2 Replies

2187 Views

Last post by tdaly
Fri Oct 16, 2015 7:36 am
reversible fuel cell

Last post by rmarz « Thu Oct 15, 2015 3:30 pm
Replies: 1
by m_ter_berg » Thu Oct 15, 2015 11:55 am

1 Replies

1906 Views

Last post by rmarz
Thu Oct 15, 2015 3:30 pm
lactobacillus acidophilus science experiment help

Last post by norman40 « Thu Oct 15, 2015 4:39 am
Replies: 1
by gtran » Wed Oct 14, 2015 5:30 pm

1 Replies

1998 Views

Last post by norman40
Thu Oct 15, 2015 4:39 am
Curious about Quantum Dots.

Last post by EchoTheCat « Tue Oct 13, 2015 9:08 pm

by EchoTheCat » Tue Oct 13, 2015 9:08 pm

0 Replies

2644 Views

Last post by EchoTheCat
Tue Oct 13, 2015 9:08 pm
separating proteins project

Last post by norman40 « Mon Oct 12, 2015 4:09 pm
Replies: 1
by cassie330 » Wed Oct 07, 2015 5:12 pm

1 Replies

2332 Views

Last post by norman40
Mon Oct 12, 2015 4:09 pm
See the Light by Making a Cell Phone Spectrophotometer

Last post by kmyers2040 « Sat Oct 10, 2015 1:57 pm
Replies: 1
by Carbon1 » Sat Oct 10, 2015 10:18 am

1 Replies

1961 Views

Last post by kmyers2040
Sat Oct 10, 2015 1:57 pm
Please Help! -- Rainbow Fire Experiment -- Problem

Last post by tdaly « Fri Oct 09, 2015 10:26 am
Replies: 1
by CheesyPandas15 » Tue Oct 06, 2015 8:01 pm

1 Replies

5801 Views

Last post by tdaly
Fri Oct 09, 2015 10:26 am
Rainbow Fire -- Hypothesis???

Last post by tdaly « Fri Oct 09, 2015 9:34 am
Replies: 3
by CheesyPandas15 » Fri Oct 02, 2015 11:10 pm

3 Replies

18899 Views

Last post by tdaly
Fri Oct 09, 2015 9:34 am
which works best at cleaning grease?

Last post by tdaly « Fri Oct 09, 2015 9:27 am
Replies: 4
by helpneeded » Thu May 10, 2012 11:46 am

4 Replies

14269 Views

Last post by tdaly
Fri Oct 09, 2015 9:27 am

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