Electrophorus - Demonstration, Comprises a thick plastic base with four rubber feet alongwith with 18 cm diameter aluminium plate with an insulating handle. Produce a strong spark repeatedly, without recharging. 18 cm diameter aluminum plate
Acids and bases, Students will learn about acids and bases through a class discussion and then test a dilute acid and dilute base with neutral litmus paper to learn how the paper indicates something is acidic or basic.