Little scientist experiments: Shiny pennies

.fb-comments,.fb-comments span,.fb-comments span iframe[style]{min-width:100%!important;width:100%!important}Here is another easy experiment by Little Scientist Diego. He learnt that lemon juice is an acid and that Water is not an acid. And in the process he made a few pennies shinier 🙂

Tools: two beakers, tweezers, bigger bigger
Extras: dull pennies, water, lemon juice, paper towels
Key science concepts:
Lemon juice is … Continue reading Little scientist experiments: Shiny pennies