copper, aluminium, distilled water or tap water
You can make butter cookies and use almond or lemon flavoring instead of the vanilla.
How about Cinnamon Coffee cake? Just mix up a simple muffin recipe, putting it in a square greased pan, and top, or layer it with a crumb topping made of butter, sugar, flour and cinnamon.
The Best Buttermilk Pancakes 2 cups Buttermilk 3 eggs, room temp 6 Tbsp butter, melted 2 cups all purpose flour 1 tsp salt 2 tsp baking soda 1 tspvanilla Put the buttermilk, egg and melted butter in a mixing bowlStir briskly until the mixture is smooth and blendedStir the flour, salt and baking soda together in a small bowlStir into the buttermilk mixture only until the dry ingredients are moistened - leave the smaller lumpsHeat a skillet or griddle to medium hotGrease lightly and spoon out a 3 TBLS of batter per pancakeCook until a few bubbles form on top and breakFlip the pancake over and cook until golden brown.not too longThese are the best pancakes and nothing else will compare after having these!!! Enjoy Makes about 12-15 pancakesTo make your own buttermilk, add 4 tsp of lemon juice or vinegar to a scant 2 cups of milk, stir, and let sit at room temp for 15-30 minStir again before adding to recipe.
The very best insulator is a vacuumActually distilled water will conduct electricity, as explained belowBut of the four you have listed, copper and aluminum are both metals and good conductorsTap water may contain enough ions of various compounds to make it a good conductorThat leaves distilled water as the better insulatorBut even at that, distilled water will conduct electricity despite its high electrical resistanceDistilled water will usually have a pH below 7 (closer to 6) due to CO2 that dissolves in the water producing H+ and HCO3- ions in addition to the H+ and OH- that comes from autoionization of water.
