<p>This is an experiment that can be conducted in a class time of 45 minutes to understand the impact of impurities on the physical properties (melting point) of substances. Students gather data in groups using instructions from this lab sheet and answer to discussion questions from the same lab sheet.</p>
<p>This is a PPT used to introduce ‘What is matter’ by discussing the different states of matter along with interactives that can be used in class.</p>
<p>This PPT is a complete lesson on introducing students to how small is an atom, contributions from different scientists, electron arrangements and flame test teacher demo.</p>
<p>This resource can be used as a formative to IB MYP Criterion D, where students can research and create an informative poster on , ‘What is the effect on humans using dry ice and liquid nitrogen as food additives?’</p>
<p>This task can be done by students in pairs or in groups of 3 where each group will compare the different atomic models suggested by scientists and produce a poster that will be presented in class.</p>
<p>This resource can be used for a flip classroom lesson where students have an opportunity to review and explore futher about the different changes in phase and its effects on particles.</p>