Monday 21 September 2015

Ripple marks on paving slabs?

Have you every wondered what caused the ripple marks you can often see on paving slabs? Try the Earthlearningidea 'Sand ripple marks in a washbowl'. You can now demonstrate this out of doors by using an empty CD container, as shown in this extension idea.


There are lots more ideas for teaching Earth science outside the classroom on our website.

No comments: