Chemical Changes Revision

I found a similar activity on TES several years ago and adapted it for a new topic.
It’s been used yearly with year 8 for a revision lesson after the chemical changes topic.
Can be adapted for higher/lower ability learners.
The points system works really well with KS3 students, they like the competitive element!
I print the slide off and put under a visualiser to go through answers with students while they use green pen- I’ve always had good feedback from this activity (3 obs and counting!)