I do something like that with my students when it comes to water.If I have 100 bottles of water to represent all of earths water, I tell them that 97 of the bottles are salt water; 2 are ice; and 1 is drinking water (lakes, rivers, well, etc.). Reply
I do something like that with my students when it comes to water.If I have 100 bottles of water to represent all of earths water, I tell them that 97 of the bottles are salt water; 2 are ice; and 1 is drinking water (lakes, rivers, well, etc.).