Chemistry - Particle Theory: Alkali and Neutralisation

In this MEL Academy lesson your children will:

  • Learn what an alkali and a neutralisation reaction is
  • compare the strengths of common acids
  • prepare a green egg

Lesson time

5:00am   PST (San Francisco, Seattle, ...)
6:00am   MST (Phoenix, Denver, ...)
7:00am   CST (Chicago, Houston, ...)
8:00am   EST (New York, Toronto, ...)
1:00pm   GMT (London, ...)

Lesson duration: 45-55 minutes.

Prepare in advance

In this lesson, we will conduct several DIY experiments. Prepare in advance household materials shown below.

DIY Materials

  Laundry detergent (optional)
  6 cups or glasses
  Vitamin C tablet
  Citric acid
  Baking soda
  Fresh egg
  Red cabbage
  A bowl and a spoon
  Washing up liquid


Please, download and print this worksheet in advance. You’ll need to refer to it during the lesson.

MEL Experiment

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

Colorful Chemistry


This lesson is presented by Daniel Sullivan:

Daniel Sullivan

Daniel Sullivan is a hugely enthusiastic and experienced ex-head of science with over 20 years of teaching experience. He is now running a science teacher training company and is looking forward to engaging with students once again.