Do you want to learn a little bit more about uncountable and countable nouns? So, you can watch these videos and do some homework! I hope you enjoy learn it!
Videos
http://www.grammar.cl/Notes/Countable_Uncountable_Nouns.htm
Exercices
https://www.myenglishpages.com/site_php_files/grammar-exercise-countable-uncountable-nouns.php
https://www.perfect-english-grammar.com/nouns-countable-and-uncountable-exercise-1.html
https://www.language-worksheets.com/there-is-there-are-elementary.html