Which rock makes the best roofing material?
Year 3/4 have investigated which rock has the best waterproofing properties for a new school roof. Our fair test using pipettes of water revealed that granite and slate were best. We decided on slate due to it being lighter than granite and less expensive.
SEDIMENTARY, METAMORPHIC OR IGNEOUS in Hawthorn Class?
We have observed and analysed cakes and chocolates to investigate if they resemble rocks which are sedimentary - have bits of rock merged together, metamorphic - layers of rock squashed down or changed by heat or igneous rocks which have been melted and are pitted with air holes.
What do you think about a Mars Bar? Sedimentary or metamorphic?
What do you think about Mr Kipling's Angel Slice. Metamorphic or igneous?
What do you think about Malteasers. Igneous or sedimentary?