Quoting Angeleyes1372:" Can you substitute baking soda with baking powder? Or is it two different things? (Not a baker lol)"
Quoting Cat Abbott:" Just use powder. Honestly, it doesn't make that big a difference in cookies. Baking powder is baking ... [snip!] ... rising action. Recipes with baking soda will also have something acidic in it to create the reaction. Not a huge difference."