Ask an Expert: Grades 9-12: Physical Science

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Meet Your Intel ISEF Experts!

Last post by matt1500 « Mon Jan 06, 2014 8:28 pm
Replies: 8
by scibudadmin » Wed Apr 18, 2007 3:15 pm

8 Replies

15660 Views

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Mon Jan 06, 2014 8:28 pm
Rules for Interview Questions

Last post by amyc « Wed Jan 25, 2012 4:50 pm

by amyc » Wed Jan 25, 2012 4:50 pm

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Valence Electrons

Last post by MadelineB « Fri Jan 17, 2020 4:57 pm
Replies: 1
by pict1000 » Fri Jan 17, 2020 10:18 am

1 Replies

26 Views

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Fri Jan 17, 2020 4:57 pm
Calculating Efficiency of an Electrochemical cell

Last post by snbhamidi « Thu Jan 16, 2020 8:59 pm

by snbhamidi » Thu Jan 16, 2020 8:59 pm

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Thu Jan 16, 2020 8:59 pm
Turn oil into biofuel help need quick!!

Last post by LeungWilley « Thu Jan 16, 2020 6:49 pm
Replies: 1
by a80d82f51b834962a16e1a1481c10aa0 » Thu Jan 16, 2020 5:53 pm

1 Replies

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Last post by LeungWilley View the latest post
Thu Jan 16, 2020 6:49 pm
Measuring Photovoltaic Cell Efficiency

Last post by rmarz « Wed Jan 15, 2020 7:53 pm
Replies: 3
by CVionis » Tue Dec 17, 2019 5:30 pm

3 Replies

128 Views

Last post by rmarz View the latest post
Wed Jan 15, 2020 7:53 pm
Liquid bandage separating on agar plate?

Last post by norman40 « Wed Jan 15, 2020 7:04 pm
Replies: 1
Attachment(s) by froglad » Tue Jan 14, 2020 1:03 am

1 Replies

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Yeast Metabolism with and without aeration

Last post by SSIRV011 « Tue Jan 14, 2020 2:57 pm
Replies: 4
by SSIRV011 » Mon Sep 09, 2019 5:32 pm

4 Replies

755 Views

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Tue Jan 14, 2020 2:57 pm
LED Current

Last post by bfinio « Tue Jan 14, 2020 9:00 am
Replies: 7
by chydes » Mon Jan 13, 2020 11:33 am

7 Replies

61 Views

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Tue Jan 14, 2020 9:00 am
Piezoelectric Sensors and Types of Mechanical Stress Specifics/Questions

Last post by bfinio « Fri Jan 10, 2020 8:59 am
Replies: 8
by bvionis » Tue Dec 31, 2019 6:16 pm

8 Replies

152 Views

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Fri Jan 10, 2020 8:59 am
Using a multimeter and photoresistor to measure light intensity of glow sticks in different temperatures of water

Last post by norman40 « Wed Jan 08, 2020 4:29 pm
Replies: 1
by katherine121 » Wed Jan 08, 2020 12:16 pm

1 Replies

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Last post by norman40 View the latest post
Wed Jan 08, 2020 4:29 pm
Geo-engineering to combat sea levels

Last post by norman40 « Wed Jan 08, 2020 4:03 pm
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by richardplunkett1 » Wed Jan 08, 2020 12:05 am

1 Replies

35 Views

Last post by norman40 View the latest post
Wed Jan 08, 2020 4:03 pm
I need help!

Last post by IlI « Sun Jan 05, 2020 11:00 pm
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by miafrasca_ » Sun Jan 05, 2020 8:18 pm

1 Replies

42 Views

Last post by IlI View the latest post
Sun Jan 05, 2020 11:00 pm
Help Needed for Aerial Photo Analysis

Last post by norman40 « Sat Jan 04, 2020 10:34 am
Replies: 1
by jr808 » Wed Jan 01, 2020 7:55 pm

1 Replies

74 Views

Last post by norman40 View the latest post
Sat Jan 04, 2020 10:34 am
Lab equipments, Cuvette Substitute

Last post by LeungWilley « Thu Jan 02, 2020 7:53 pm
Replies: 1
by Fatimasalhosani » Wed Jan 01, 2020 3:33 pm

1 Replies

44 Views

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I need help.

Last post by norman40 « Thu Jan 02, 2020 6:36 am
Replies: 1
by antuanpalmer » Sun Dec 29, 2019 2:41 pm

1 Replies

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Last post by norman40 View the latest post
Thu Jan 02, 2020 6:36 am
WWII Fighter Plane Wings

Last post by MadelineB « Sun Dec 29, 2019 3:41 pm
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by BigAl3D » Sun Dec 29, 2019 9:15 am

1 Replies

48 Views

Last post by MadelineB View the latest post
Sun Dec 29, 2019 3:41 pm
Research Paper

Last post by MadelineB « Thu Dec 26, 2019 4:03 pm
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by alakais391 » Wed Apr 03, 2019 7:24 am

4 Replies

1608 Views

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Thu Dec 26, 2019 4:03 pm
Using Cobalt as electrodes

Last post by norman40 « Wed Dec 25, 2019 3:20 pm
Replies: 5
by Liad » Tue Dec 24, 2019 12:13 pm

5 Replies

102 Views

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Wed Dec 25, 2019 3:20 pm
Queries on Physics Project

Last post by rmarz « Sat Dec 21, 2019 12:18 am
Replies: 1
by fca562d57fbb433ba3a3696d8c0a259c » Fri Dec 20, 2019 1:49 am

1 Replies

459 Views

Last post by rmarz View the latest post
Sat Dec 21, 2019 12:18 am
How to get rid of water with lead in it

Last post by LeungWilley « Thu Dec 19, 2019 6:59 pm
Replies: 2
by Alexisj2022 » Sun Dec 15, 2019 7:05 am

2 Replies

82 Views

Last post by LeungWilley View the latest post
Thu Dec 19, 2019 6:59 pm
Chemical Substitute for Perborate Mixture - Crime Scene Chemistry—The Cool Blue Light of Luminol experiment

Last post by norman40 « Wed Dec 18, 2019 4:22 pm
Replies: 1
by anna00030 » Tue Dec 17, 2019 6:59 pm

1 Replies

94 Views

Last post by norman40 View the latest post
Wed Dec 18, 2019 4:22 pm
Radio Waves

Last post by MadelineB « Wed Dec 18, 2019 3:57 pm
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by RadioMine » Wed Dec 18, 2019 9:41 am

1 Replies

453 Views

Last post by MadelineB View the latest post
Wed Dec 18, 2019 3:57 pm
Are LEDs the Future?

Last post by bfinio « Tue Dec 17, 2019 7:25 pm
Replies: 7
by luvstem » Sun Dec 15, 2019 8:51 pm

7 Replies

144 Views

Last post by bfinio View the latest post
Tue Dec 17, 2019 7:25 pm
Motion

Last post by IlI « Sun Dec 15, 2019 12:15 pm
Replies: 1
by Jack312 » Sat Dec 14, 2019 11:37 am

1 Replies

64 Views

Last post by IlI View the latest post
Sun Dec 15, 2019 12:15 pm
Need HELP ASAP!

Last post by norman40 « Tue Dec 10, 2019 3:41 pm
Replies: 1
by ScienceHW » Mon Dec 09, 2019 5:42 am

1 Replies

86 Views

Last post by norman40 View the latest post
Tue Dec 10, 2019 3:41 pm
Using a Digital Camera to Measure Skyglow

Last post by norman40 « Tue Dec 10, 2019 3:30 pm
Replies: 1
by 144e01d1954a4bfa8d24084f8d332efa » Sun Dec 01, 2019 5:22 pm

1 Replies

133 Views

Last post by norman40 View the latest post
Tue Dec 10, 2019 3:30 pm
help me find a title please

Last post by Dolphingirl89 « Tue Dec 10, 2019 2:17 pm
Replies: 2
by Dolphingirl89 » Sat Dec 07, 2019 1:46 pm

2 Replies

99 Views

Last post by Dolphingirl89 View the latest post
Tue Dec 10, 2019 2:17 pm
Can I use a different type of acetone?

Last post by LeungWilley « Thu Dec 05, 2019 7:47 pm
Replies: 1
by uajamal » Wed Dec 04, 2019 7:05 pm

1 Replies

101 Views

Last post by LeungWilley View the latest post
Thu Dec 05, 2019 7:47 pm
Reverse Osmosis

Last post by norman40 « Wed Dec 04, 2019 3:57 pm
Replies: 1
by be3b29c1fda4420a842eeea30daccdbb » Tue Dec 03, 2019 4:19 pm

1 Replies

110 Views

Last post by norman40 View the latest post
Wed Dec 04, 2019 3:57 pm
Predict how much a shell will dissolve in acidic conditions

Last post by norman40 « Wed Dec 04, 2019 2:51 pm
Replies: 1
by kCivie7 » Tue Dec 03, 2019 7:10 pm

1 Replies

99 Views

Last post by norman40 View the latest post
Wed Dec 04, 2019 2:51 pm
Frequency of speakers?

Last post by rmarz « Sun Dec 01, 2019 1:47 pm
Replies: 5
by 22f0b111a1c24786b72d9250b8c4a428 » Fri Nov 29, 2019 4:31 pm

5 Replies

153 Views

Last post by rmarz View the latest post
Sun Dec 01, 2019 1:47 pm
Adsorption: Dyeing Fabrics with Kool-Aid

Last post by LauraB100 « Fri Nov 29, 2019 4:15 pm
Replies: 2
by LauraB100 » Wed Nov 27, 2019 11:47 am

2 Replies

125 Views

Last post by LauraB100 View the latest post
Fri Nov 29, 2019 4:15 pm
Heating a hot tub, what is faster?

Last post by norman40 « Wed Nov 27, 2019 3:13 pm
Replies: 2
by Numbpaw » Thu Nov 21, 2019 12:03 pm

2 Replies

146 Views

Last post by norman40 View the latest post
Wed Nov 27, 2019 3:13 pm
Polymer chemistry

Last post by norman40 « Wed Nov 27, 2019 3:12 pm
Replies: 1
by keerthanapadma » Wed Nov 27, 2019 7:50 am

1 Replies

107 Views

Last post by norman40 View the latest post
Wed Nov 27, 2019 3:12 pm
Specific Procedure for Creating A Polystyrene Resin Using Sulfuric Acid?

Last post by norman40 « Wed Nov 27, 2019 3:04 pm
Replies: 1
by HannaKim » Thu Nov 21, 2019 7:02 am

1 Replies

135 Views

Last post by norman40 View the latest post
Wed Nov 27, 2019 3:04 pm
Password hack project

Last post by quash21 « Tue Nov 19, 2019 11:05 am
Replies: 2
by quash21 » Tue Nov 12, 2019 6:53 pm

2 Replies

236 Views

Last post by quash21 View the latest post
Tue Nov 19, 2019 11:05 am
HEAT AND ELECTRICITY HELP NEEDED

Last post by norman40 « Fri Nov 15, 2019 4:01 pm
Replies: 1
by oliviaodiorne » Sat Nov 09, 2019 4:23 pm

1 Replies

233 Views

Last post by norman40 View the latest post
Fri Nov 15, 2019 4:01 pm
Total resistance in a circuit

Last post by LeungWilley « Thu Nov 14, 2019 3:29 pm
Replies: 1
by 4c0b6d3d276f416a83dd2c2c9c569d8f » Tue Nov 12, 2019 6:03 pm

1 Replies

176 Views

Last post by LeungWilley View the latest post
Thu Nov 14, 2019 3:29 pm
How Blue is Your Sports Drink help.

Last post by MadelineB « Mon Nov 11, 2019 3:53 pm
Replies: 1
by Spacers » Sat Nov 09, 2019 11:25 pm

1 Replies

248 Views

Last post by MadelineB View the latest post
Mon Nov 11, 2019 3:53 pm
Cold Pack Chemistry: Where does the heat go? Equation 1

Last post by IlI « Sun Nov 10, 2019 4:46 pm
Replies: 1
by FozzieB » Fri Nov 08, 2019 2:46 pm

1 Replies

227 Views

Last post by IlI View the latest post
Sun Nov 10, 2019 4:46 pm
CAN YOU CREATE A COMPASS USING METAL AND DIRT?

Last post by IlI « Sun Nov 10, 2019 4:44 pm
Replies: 1
by ABBY223 » Thu Nov 07, 2019 1:15 am

1 Replies

228 Views

Last post by IlI View the latest post
Sun Nov 10, 2019 4:44 pm
Microwave/Electromagnetic Wave Science Fair

Last post by LeungWilley « Sun Nov 10, 2019 9:37 am
Replies: 7
by anaandsofiasf » Wed Oct 30, 2019 9:27 am

7 Replies

797 Views

Last post by LeungWilley View the latest post
Sun Nov 10, 2019 9:37 am
Acid denaturation of proteins can be considered catalytic?

Last post by norman40 « Sat Nov 09, 2019 7:03 pm
Replies: 3
by ymahmoud » Sun Nov 03, 2019 9:34 am

3 Replies

421 Views

Last post by norman40 View the latest post
Sat Nov 09, 2019 7:03 pm
how to measure ph

Last post by Jason123321 « Sat Nov 09, 2019 6:20 pm
Replies: 11
by Jason123321 » Tue Oct 08, 2019 7:24 pm

11 Replies

1059 Views

Last post by Jason123321 View the latest post
Sat Nov 09, 2019 6:20 pm
Microbial Fuel Cell multimeter issue

Last post by LeungWilley « Thu Nov 07, 2019 7:23 pm
Replies: 1
by 504d931ddd474dac92a4d4bf7ad866a0 » Wed Nov 06, 2019 6:49 pm

1 Replies

223 Views

Last post by LeungWilley View the latest post
Thu Nov 07, 2019 7:23 pm
Helicopter lifeoff

Last post by norman40 « Wed Nov 06, 2019 1:17 pm
Replies: 1
by msungheing » Mon Nov 04, 2019 10:50 pm

1 Replies

261 Views

Last post by norman40 View the latest post
Wed Nov 06, 2019 1:17 pm
About chip compatibility issues

Last post by MadelineB « Tue Nov 05, 2019 1:53 pm
Replies: 1
by shijian » Tue Nov 05, 2019 2:10 am

1 Replies

298 Views

Last post by MadelineB View the latest post
Tue Nov 05, 2019 1:53 pm
IB Chemistry Project

Last post by pharrast « Mon Nov 04, 2019 3:52 pm
Replies: 1
by kkarin » Sun Nov 03, 2019 8:58 pm

1 Replies

324 Views

Last post by pharrast View the latest post
Mon Nov 04, 2019 3:52 pm
Help me please....

Last post by o_finucan7 « Sun Nov 03, 2019 4:50 pm
Replies: 2
by o_finucan7 » Sun Nov 03, 2019 2:39 pm

2 Replies

600 Views

Last post by o_finucan7 View the latest post
Sun Nov 03, 2019 4:50 pm

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