Geography investigation

Old desalinators used evaporation and condensation to remove salt from ocean water. Use the Internet to find out how modern desalinators work. 

You can check the following links for information:

http://www.buzzle.com/articles/desalination-process.html
http://encyclopedia.kids.net.au/page/de/Desalination

Look at a picture of Las Coloradas in Yucatán, salt is produced there.

Science Book Link

Dear 4th graders, 

I have good news for you! In case you want to check your Science book at home, you can do it at the Book's site for students and parents:

http://pgcounty.scottforesman.com/

There you will be able to see the book online, don't miss it!
Have a nice long weekend!

Multiplication Practice

Are you struggling to learn multiplication tables???

 Try the following links, they include games and activities to exercise your math skills, enjoy them!

http://www.multiplication.com/flashgames/GrandPrix.htm

http://www.ixl.com/math/grade-4/multiplication-facts-to-12

http://www.playkidsgames.com/classgamelists.php?d=7

http://www.kidsnumbers.com/times-tables-games.php

http://www.quia.com/ba/92283.html