Tuesday, September 6, 2016

today we leant about chemical reactions .

Mel hod . 

1. we stuck pencils to a bottle  baking soda in a paper towel we put a rubber bung at the bottle of the bottle . 

Explanation 

The baking soda reacted with the vinegar 
 the baking soda is a base the vinegar is an acid 
when they are combined they react and carbon dickier gas is released .   
 

No comments:

Post a Comment