PLEASE observe these security precautions when doing any science experiment.
• ALWAYS have an grownup current.
• ALWAYS put on the right security gear whereas doing any experiment.
• NEVER eat or drink something whereas doing any experiment.
• REMEMBER experiments might require marbles, small balls, balloons, and different small elements. These objects may grow to be a CHOKING HAZARD. Adults are to carry out these experiments utilizing these objects. Any little one can choke or suffocate on uninflated or damaged balloons. Preserve uninflated or damaged balloons away from youngsters.
• Baking Soda
• Paper Towel
• Sandwich Bag
STEP 1: Tear a paper towel into 4 equal items. Utilizing one of many items, pour two tablespoons of baking soda into the middle of the paper towel sq.. Describe the baking soda by its observable properties.
STEP 2: Fold the sq. right into a smaller sq., so the baking soda stays inside.
STEP 3: Fill the sandwich bag ¼ of the best way with vinegar. Describe the vinegar by its observable properties.
STEP 4: Drop the paper towel into the sandwich bag. Maintain the sandwich bag over the trash can, shut it, and observe. Did mixing the 2 substances lead to a brand new substance?
When the paper towel sq., containing the baking soda, is positioned into the bag, containing the vinegar, a chemical response occurs, which creates carbon dioxide fuel. The carbon dioxide fuel fills the bag, inflicting the bag to broaden and ultimately pop.
— to wdef.com