Stuck in someone else's frames? break free!

HomeScience HomeGeology Home
Animals
Astronomy

Animals HomeAstronomy HomeAtoms HomeEcology HomeLiquids HomeMeteorology HomeMicroorganisms HomeOceanography HomePlants HomeSolids Home

WHAT MAKES GLACIERS MELT ON THE BOTTOM?

Why do glaciers melt on the bottom but not on the top? This activity will give us a hint.

Arrange two groups of four ice cubes, and place a square of plastic wrap or cardboard on top of each group. Place a brick or a pile of heavy books on top of one group of ice cubes. Observe which group melts faster.

Decide whether or not pressure makes a difference in the rate of melting.

Similarly, the bottoms of glaciers melt due to the weight of the upper layers of ice.

Some theories suggest that the continuous process of melting, Re-freezing, and melting again contributes to the movement of glaciers.

Students should devise an activity that could duplicate a glacier and the situations generally surrounding glaciers, and see if it would move.

 
Contact Spike
Any problems with this page? Send URL to webmaster.  Thank you!
 
 
Add to Favorites
 
 
Search this site powered by FreeFind
 
 
 

Send this page to a friend


Back to Spike's & Jamie's Recipe Collection

 

 

 

 

Sign Guestbook    View Guestbook

 

We publish two newsletters a couple of times a month. To subscribe, send a blank email to the appropriate email address.  Topica will send you a message asking if you really intended to subscribe - just click reply - that's it!

Free Recipe Collection Newsletter:
freerecipes-subscribe@topica.com

Jewish Recipe Collection Newsletter:
jewishrecipes-subscribe@topica.com

 

 

Barnes & Noble Home Page  Barnes & Noble Music Page

 

Tired of Geek Speak when 
you have Computer Questions?

 

 

 

WatkinsOnline.com