Here we are, using wax crayon shavings to replicate some of the processes involved in the rock cycle.
Pressure (stamped on the folded foil)
Some of the intro videos we watched:
Intro to different types of rocks/rock cycle
Video on identifying igneous rocks:
This week we looked at pumice rock as an example of an extrusive igneous rock:
(you can get pumice at most chemist shops in the toiletries/bathtime section. We bought ours for around £1 at Wilkinsons.
Experiment with floating rocks: