Logo
coinundefined COINSADD
Why is the sea water salty ?
+2XP2-5 mins
Read Story

Carbon Dioxide in the air dissolves into rainwater which makes it slightly acidic. When the rain falls , the weather rocks release mineral salts that separate into ions.

Challenge

Which are the main constituents of the salt used in cooking ?

YOU CAN EARN...!

SCIENTIFIC SKILLS
+2XPs
Video
What Have Others Done?

Do you want to know what other students have done in the activity?