Logo
coinundefined COINS
Why is the sea water salty ?

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.

+5XPEasy2-5 mins
Challenge

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

YOU CAN EARN...!

SCIENTIFIC SKILLS
+5XP
How To Do It
video placeholder image
What Have Others Done?

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