Chemistry - Acids and Alkalis

In this MEL Academy lesson your child will:

  • learn the nature of acids and alkalis
  • produce homemade indicators by his own hands
  • obtain his own ph-rainbow

Lesson time

8:00am   PST (San Francisco, Seattle, ...)
9:00am   MST (Phoenix, Denver, ...)
10:00am   CST (Chicago, Houston, ...)
11:00am   EST (New York, Toronto, ...)
4:00pm   GMT (London, ...)

Lesson duration: 45-55 minutes.

Prepare in advance

On this lesson we will conduct "Natural pH indicators" DIY experiment. Prepare the following household materials:

  Red cabbage (if you cannot find it you can use beetroot)
  Red rose pelals or hibiscus tea (if you cannot find it you can use black tea)
  Citric acid or vinegar (if you cannot find it you can use lemon juice)
  Scissors
  6x glasses (or 6 paper/plastic cups)
  Hot water
  2x tea spoon

MEL Experiment

If you are a subscriber of MEL Chemistry then you can conduct Magic Liquid from the Colorful chemistry chemistry set:

Colorful chemistry

Tutor

This lesson is presented by Indraneelan Thalayasingam:

Indraneelan Thalayasingam

Indraneelan is an experienced and highly educated but accessible tutor. He specialises in engaging with students to help them connect with the work, and creating a learning environment that is different from a dry academic room. He loves the opportunities to do this and has a keen passion for the subjects that he teaches. He finds being able to use that to generate a new outlook on the subject for his students is immensely rewarding for you both.