Ask an Expert: Grades K-5: Physical Science

Grades K-5: Physical Science

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Last post

Dry Ice and Milk reaction

Last post by kgudger « Mon Nov 09, 2009 1:01 pm
Replies: 1
by aweinstein » Mon Nov 09, 2009 11:19 am

1 Replies

12218 Views

Last post by kgudger
Mon Nov 09, 2009 1:01 pm
Rock Candy Project

Last post by purplefusion « Mon Nov 09, 2009 11:23 am
Replies: 2
by purplefusion » Mon Nov 09, 2009 9:38 am

2 Replies

7737 Views

Last post by purplefusion
Mon Nov 09, 2009 11:23 am
Roller Coaster in a shoebox!!

Last post by Ray Trent « Sun Nov 08, 2009 9:07 pm
Replies: 1
by afitzyface » Sat Nov 07, 2009 7:36 pm

1 Replies

5553 Views

Last post by Ray Trent
Sun Nov 08, 2009 9:07 pm
Solar Cars - Starting a Project

Last post by Terik Daly « Fri Nov 06, 2009 4:00 pm
Replies: 1
by adamronchi » Fri Nov 06, 2009 1:59 am

1 Replies

4281 Views

Last post by Terik Daly
Fri Nov 06, 2009 4:00 pm
Solar Cars

Last post by Terik Daly « Fri Nov 06, 2009 3:59 pm
Replies: 19
by tomboy » Mon Nov 17, 2008 8:06 pm

19 Replies

21214 Views

Last post by Terik Daly
Fri Nov 06, 2009 3:59 pm
Please help find the varaible on my project

Last post by quangnguyen « Wed Oct 14, 2009 4:13 pm
Replies: 10
by quangnguyen » Tue Sep 22, 2009 6:16 pm

10 Replies

10371 Views

Last post by quangnguyen
Wed Oct 14, 2009 4:13 pm
Air pressure in a soccer ball

Last post by MelissaB « Sun Jul 05, 2009 1:48 am
Replies: 9
by bluestone » Wed Nov 05, 2008 5:46 pm

9 Replies

33622 Views

Last post by MelissaB
Sun Jul 05, 2009 1:48 am
adding salt to water to make it boil faster?

Last post by Craig_Bridge « Wed Jun 10, 2009 9:21 am
Replies: 2
by luckydog » Sat Jun 06, 2009 5:52 am

2 Replies

12822 Views

Last post by Craig_Bridge
Wed Jun 10, 2009 9:21 am
Please help me before they judge and ask questions

Last post by MelissaB « Fri May 22, 2009 12:23 am
Replies: 13
by quangnguyen » Tue May 19, 2009 6:02 pm

13 Replies

8478 Views

Last post by MelissaB
Fri May 22, 2009 12:23 am
Structural strength to weight

Last post by Craig_Bridge « Mon May 04, 2009 9:06 am
Replies: 2
by raob » Sun May 03, 2009 6:47 am

2 Replies

3821 Views

Last post by Craig_Bridge
Mon May 04, 2009 9:06 am
Does hair dry faster with a blow dryer or air dry?

Last post by ChrisG « Sat Apr 18, 2009 2:18 pm
Replies: 1
by mari3230 » Sat Apr 18, 2009 1:03 pm

1 Replies

4817 Views

Last post by ChrisG
Sat Apr 18, 2009 2:18 pm
"Which Fast-Burger contains the least grease?" help!!

Last post by davidkallman « Thu Jun 25, 2009 11:24 am
Replies: 10
by summergirl » Sat Jan 31, 2009 1:55 pm

10 Replies

17757 Views

Last post by davidkallman
Thu Jun 25, 2009 11:24 am
Oxidation Reactions

Last post by jkennedy « Thu Apr 02, 2009 12:07 pm
Replies: 5
by jkennedy » Tue Mar 17, 2009 3:53 pm

5 Replies

7704 Views

Last post by jkennedy
Thu Apr 02, 2009 12:07 pm
Science project writing Hypothesis

Last post by kgudger « Sun Mar 22, 2009 3:06 pm
Replies: 1
by KINGFAMILY » Sun Mar 22, 2009 2:26 pm

1 Replies

8177 Views

Last post by kgudger
Sun Mar 22, 2009 3:06 pm
help writing a question

Last post by ChrisG « Thu Mar 19, 2009 4:17 pm
Replies: 1
by dragonbaseball » Thu Mar 19, 2009 3:23 pm

1 Replies

3564 Views

Last post by ChrisG
Thu Mar 19, 2009 4:17 pm
vegetable electricity

Last post by amyc « Thu Mar 19, 2009 12:05 pm
Replies: 3
by janeelindsey » Sat Mar 14, 2009 3:14 pm

3 Replies

7293 Views

Last post by amyc
Thu Mar 19, 2009 12:05 pm
The human heart

Last post by Ray Trent « Thu Mar 12, 2009 7:32 am
Replies: 6
by suzy » Sat Mar 07, 2009 12:09 pm

6 Replies

6091 Views

Last post by Ray Trent
Thu Mar 12, 2009 7:32 am
Rate of Fadeing colored construction paper

Last post by Craig_Bridge « Tue Mar 10, 2009 3:02 pm
Replies: 3
by Jolene » Tue Mar 10, 2009 1:34 pm

3 Replies

5412 Views

Last post by Craig_Bridge
Tue Mar 10, 2009 3:02 pm
Static Electricity

Last post by barretttomlinson « Mon Mar 09, 2009 11:45 pm
Replies: 1
by Queen E. » Mon Mar 09, 2009 5:19 pm

1 Replies

4615 Views

Last post by barretttomlinson
Mon Mar 09, 2009 11:45 pm
Measuring Soda Carbonation

Last post by sciencebuddy « Fri Mar 06, 2009 6:39 pm
Replies: 5
by tkmacon4 » Sat Jan 03, 2009 6:20 pm

5 Replies

26574 Views

Last post by sciencebuddy
Fri Mar 06, 2009 6:39 pm
Comparing insulators

Last post by Craig_Bridge « Wed Mar 04, 2009 2:42 pm
Replies: 2
by animalexpert » Wed Mar 04, 2009 1:04 pm

2 Replies

11995 Views

Last post by Craig_Bridge
Wed Mar 04, 2009 2:42 pm
Looking for ideas on how to measure battery life

Last post by Craig_Bridge « Tue Feb 24, 2009 9:09 am
Replies: 1
by elmerm » Tue Feb 24, 2009 1:10 am

1 Replies

5752 Views

Last post by Craig_Bridge
Tue Feb 24, 2009 9:09 am
Electroscope inquiry

Last post by Craig_Bridge « Thu Feb 19, 2009 7:45 am
Replies: 1
by GaMMaRayBUrst » Wed Feb 18, 2009 8:32 pm

1 Replies

5846 Views

Last post by Craig_Bridge
Thu Feb 19, 2009 7:45 am
Motorless Vehicle

Last post by Craig_Bridge « Wed Feb 18, 2009 12:55 pm
Replies: 3
by kzp00h » Fri Jan 30, 2009 12:25 pm

3 Replies

6611 Views

Last post by Craig_Bridge
Wed Feb 18, 2009 12:55 pm
Is it possible to build a lava lamp base?

Last post by Craig_Bridge « Mon Feb 09, 2009 7:16 am
Replies: 2
by crashkrbec » Sat Feb 07, 2009 10:44 am

2 Replies

9143 Views

Last post by Craig_Bridge
Mon Feb 09, 2009 7:16 am
help writing a question

Last post by agm « Thu Feb 05, 2009 5:27 pm
Replies: 1
by kimnamhyun » Thu Feb 05, 2009 4:22 pm

1 Replies

3478 Views

Last post by agm
Thu Feb 05, 2009 5:27 pm
Gears and Gear Ratios

Last post by Craig_Bridge « Tue Feb 03, 2009 4:02 pm
Replies: 2
by pkn5 » Tue Feb 03, 2009 11:50 am

2 Replies

4505 Views

Last post by Craig_Bridge
Tue Feb 03, 2009 4:02 pm
Chemistry project: Drug abuse and it`s effects on human body

Last post by michellebayefsky « Sun Feb 01, 2009 5:23 pm
Replies: 3
by vojvotka » Sat Jan 31, 2009 2:12 am

3 Replies

11015 Views

Last post by michellebayefsky
Sun Feb 01, 2009 5:23 pm
battery power v. voltage and size of battery

Last post by Mallard « Tue Jan 27, 2009 11:18 am
Replies: 8
by Mallard » Sat Jan 24, 2009 12:43 pm

8 Replies

11417 Views

Last post by Mallard
Tue Jan 27, 2009 11:18 am
Solar car

Last post by Craig_Bridge « Tue Jan 27, 2009 10:38 am
Replies: 4
by bluefox609 » Thu Jan 22, 2009 5:45 pm

4 Replies

7251 Views

Last post by Craig_Bridge
Tue Jan 27, 2009 10:38 am
OUT of tune INauguration- How does cold weather effect music

Last post by Craig_Bridge « Mon Jan 26, 2009 2:41 pm
Replies: 4
by skasmas » Sun Jan 25, 2009 10:22 pm

4 Replies

6279 Views

Last post by Craig_Bridge
Mon Jan 26, 2009 2:41 pm
Can crystals come from living things?

Last post by Craig_Bridge « Mon Jan 26, 2009 10:30 am
Replies: 2
by sunfish123 » Fri Jan 23, 2009 11:07 am

2 Replies

6551 Views

Last post by Craig_Bridge
Mon Jan 26, 2009 10:30 am
Salt Crystal Experiment

Last post by agm « Thu Jan 22, 2009 12:09 pm
Replies: 2
by beckys160 » Thu Jan 22, 2009 9:08 am

2 Replies

18905 Views

Last post by agm
Thu Jan 22, 2009 12:09 pm
density and buoyancy of different fruits.

Last post by davidkallman « Thu Jan 15, 2009 11:38 am
Replies: 3
by malfitano » Wed Jan 14, 2009 6:55 pm

3 Replies

10631 Views

Last post by davidkallman
Thu Jan 15, 2009 11:38 am
Decibel meter project

Last post by davidkallman « Tue Jan 13, 2009 6:39 pm
Replies: 1
by gglook » Tue Jan 13, 2009 8:14 am

1 Replies

4237 Views

Last post by davidkallman
Tue Jan 13, 2009 6:39 pm
Creating a safe, light-up sun

Last post by Shea4488 « Mon Jan 12, 2009 7:32 am
Replies: 2
by Shea4488 » Sat Jan 10, 2009 1:52 pm

2 Replies

4931 Views

Last post by Shea4488
Mon Jan 12, 2009 7:32 am
Uncooperative Electroscope

Last post by davidkallman « Sun Jan 11, 2009 7:07 pm
Replies: 3
by Queen E. » Mon Jan 05, 2009 5:47 pm

3 Replies

4615 Views

Last post by davidkallman
Sun Jan 11, 2009 7:07 pm
Extracting Onion DNA - Plastic vs. Glass

Last post by BinaryBud « Sun Jan 11, 2009 9:32 am
Replies: 2
by BinaryBud » Sat Jan 10, 2009 11:14 am

2 Replies

4729 Views

Last post by BinaryBud
Sun Jan 11, 2009 9:32 am
Science of Football

Last post by MelissaB « Sun Jan 11, 2009 2:49 am
Replies: 1
by Jeff3 » Fri Jan 09, 2009 8:29 pm

1 Replies

26011 Views

Last post by MelissaB
Sun Jan 11, 2009 2:49 am
Building a robot

Last post by Craig_Bridge « Fri Jan 09, 2009 12:30 pm
Replies: 2
by Christal » Thu Jan 08, 2009 5:59 pm

2 Replies

8041 Views

Last post by Craig_Bridge
Fri Jan 09, 2009 12:30 pm
Potato clock

Last post by edneu3 « Wed Jan 07, 2009 1:13 pm
Replies: 1
by Weir_Carol » Wed Jan 07, 2009 5:15 am

1 Replies

13667 Views

Last post by edneu3
Wed Jan 07, 2009 1:13 pm
SHOWING MY DATA

Last post by SRGT BUBBLES « Sun Jan 04, 2009 1:51 pm
Replies: 2
by recee680 » Wed Dec 31, 2008 2:40 pm

2 Replies

4712 Views

Last post by SRGT BUBBLES
Sun Jan 04, 2009 1:51 pm
5th Gr - Fuel Cell with Sap/Sugar

Last post by AerospaceGuy « Mon Dec 08, 2008 10:32 pm
Replies: 1
by tbones » Mon Dec 08, 2008 9:25 pm

1 Replies

4805 Views

Last post by AerospaceGuy
Mon Dec 08, 2008 10:32 pm
Freezing Milk with different fat percentages

Last post by edneu3 « Wed Dec 03, 2008 12:02 pm
Replies: 2
by pharding » Mon Dec 01, 2008 10:43 am

2 Replies

5559 Views

Last post by edneu3
Wed Dec 03, 2008 12:02 pm
Soda bottle sub and stabilizing fins.

Last post by kgudger « Sun Nov 16, 2008 1:33 pm
Replies: 1
by tattersett » Sun Nov 16, 2008 12:39 pm

1 Replies

3988 Views

Last post by kgudger
Sun Nov 16, 2008 1:33 pm
Forensics: How Does it Matter? Measure the Spatter!

Last post by geoffbruton « Tue Nov 04, 2008 3:11 pm
Replies: 2
by rdhdbrnis » Sun Nov 02, 2008 9:23 am

2 Replies

37557 Views

Last post by geoffbruton
Tue Nov 04, 2008 3:11 pm
Surface project

Last post by sciencebuddy « Thu Oct 30, 2008 12:54 pm
Replies: 4
by natalie » Sat Oct 18, 2008 4:31 pm

4 Replies

8540 Views

Last post by sciencebuddy
Thu Oct 30, 2008 12:54 pm
Heat go away

Last post by Craig_Bridge « Wed Oct 15, 2008 2:37 pm
Replies: 3
by bluefox609 » Sun Oct 12, 2008 6:09 pm

3 Replies

4716 Views

Last post by Craig_Bridge
Wed Oct 15, 2008 2:37 pm
HOVER BOARD

Last post by Craig_Bridge « Tue Oct 14, 2008 9:47 am
Replies: 10
by bluefox609 » Tue Sep 16, 2008 12:30 pm

10 Replies

16056 Views

Last post by Craig_Bridge
Tue Oct 14, 2008 9:47 am
Alkaline Batteries & Light Bulbs

Last post by Craig_Bridge « Tue Oct 14, 2008 8:03 am
Replies: 2
by Sarabob » Mon Oct 13, 2008 5:02 pm

2 Replies

7328 Views

Last post by Craig_Bridge
Tue Oct 14, 2008 8:03 am

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