Meta-Mentoring

... to buy "topsoil" since our plants showed some sort of mineral erosion and could perhaps use a fresh load of enriched pot soil. Yet it wasn't "top priority" in my to-do list. Not until a Science lesson suggested an activity about soil profile. So I ordered a sack of soil and asked for samples of green slate, volcanic rock, and two types of pebbles to "top" it all. Now where is that empty PET bottle?