Useful page

In this link you can find  useful resources to practice  Biology, Physics, Math and chemistry ( in Spanish) I hope it will help you!
Hugs!
http://www.colombiaaprende.edu.co/html/productos/1685/multipropertyvalues-37432-37439.html

Funny Games!

In this link you can find  games !
http://www.eslgamesplus.com/adjectives-antonyms-esl-vocabulary-grammar-interactive-pirate-waters-board-game/

countable and uncountable nouns

Let's read
http://www.shertonenglish.com/resources/es/nouns/nouns-uncountable.php

http://www.inglesmundial.com/Ingles_Intermedio_Leccion7/Ingles_Intermedio_Leccion7_Gramatica.html
http://www.aprenderinglesfacil.es/2008/06/sustantivos-contables-e-incontables.html

http://my.opera.com/StManor/blog/how-much-how-many-contables-e-incon

Let's practice
http://learnenglishteens.britishcouncil.org/grammar-vocabulary/grammar-snacks/countable-and-uncountable-nouns

Comparative and Superlative Exercises

Let's practice
http://www.english-4u.de/comparison_ex1.htm
http://www.eflnet.com/grammar/comparisons.php
http://www.montsemorales.com/gramatica/Superlative.htm
http://www.autoenglish.org/gr.as.i.htm

Comparative and Superlatives games

Let's play and Learn
http://www.eslgamesplus.com/comparatives-and-superlatives-zoo-animals-vocabulary-grammar-esl-interactive-board-game/

http://www.eslgame.com/content/AppleCatch/superlatives.swf
http://www.eslkidsworld.com/Interactive%20games/comparatives%20and%20superlatives%20animals%20football%20quiz.html

World Environmental Day

let's read a story
http://learnenglishkids.britishcouncil.org/en/short-stories/planet-earth?utm_source=LearnEnglish+Kids+newsletter+June+2013&utm_campaign=June+newsletter&utm_medium=email

Let's organize sentences in the following game
http://learnenglishkids.britishcouncil.org/en/word-games/make-the-sentences/green-tips?utm_source=LearnEnglish+Kids+newsletter+June+2013&utm_campaign=June+newsletter&utm_medium=email

Let's learn about sounds with the following songs
http://learnenglishkids.britishcouncil.org/en/sounds?utm_source=LearnEnglish+Kids+newsletter+June+2013&utm_campaign=June+newsletter&utm_medium=email

Universidad Nacional Exam
http://www.uninscripciones.unal.edu.co/dipa