Landscape and the Sandbox
The Sandbox uses different colours to show the different height levels - as on a topographic map. Contour lines join points which are all the same height, and the distance between the contour lines shows the gradient (steepness) of the slope. Using the hills and valleys you make in the sand, the model can show what happens when it ‘rains’ – where the water goes and how if flows down the hills until it gathers in a marsh area, pond, sea or lake.
Some notes linking this to the study of topographic maps and the hydrological cycle are available here in a PDF file. The notes follow some of the guidance available for KS1 and 2 learning.
These pieces were developed to help explain how a canal or waterway lock works, and are used alongside the Augmented Reality Sandbox to allow exploring landscape, seeing how water works in that landscape, and understanding why and how to add locks to aid transport.
1: How a Lock Works
The PowerPoint slide show to step through the operation of a lock. No notes accompany this slide pack as it is fairly simple and allows discussion.
It is created in Microsoft Powerpoint - some of the animation doesn't translate to other slideshow tools (eg Keynote or Libre Office) without a bit of tweaking.
2: Create the model of a Canal Lock.
This is a card cut out showing the basic principles of a mitre lock.
The angle of the gates - approx 18deg pointing upstream to use the weight of the water to keep the lock gates shut. The Paddles used to allow gradual release of water to the next chamber of the lock.
The model in this file (download here) should be printed on thin card, cutting out on the BLACK lines and folding on the GREEN lines. The text in BLUE indicates where glue is applied - Pritt stick or similar is probably easiest to use...
A sequence of images to show the work progressing..