Chemistry - Particle Theory: Structure of Matter

In this MEL Academy lesson your children will:

  • learn the difference between states of aggregation
  • perform liquid hardening without cooling
  • obtain a sugar snake

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

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

DIY Materials

  Big Bowl or a basin
  Access to water
  Measuring jug and a teaspoon
  Hair gel
  3% and 6% H2O2
  Yeast and raw liver
  Potato – cooked and uncooked slices
  2 x Tall glass beakers
  Yellow food dye (optional)


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 Sugar Snake experiment from the Tin chemistry set:

Chemistry of Monsters


This lesson is presented by Mark Maclaine:

Mark Maclaine

Mark has been an educator for 20 years and has taught more than 20,000 hours of one-on-one lessons to over 1200 students. He initially struggled in school as the academic study didn’t come naturally to him. What was a weakness has become one of his greatest strengths - finding he is able to connect with students who are themselves struggling. Using a set of skills developed over the past two decades and his RELATE Teaching Method, Mark has become one of the best-known educators in the world. He is passionate about his work and is committed to transforming the education system so it works for everyone.