Erosion Challenge- Alex Jack Callum

Last Monday we had an erosion challenge where we had to build a block house to put on a sand hill. Then we had to defend the house from weathering, buckets of water, with bark, sticks and other materials. Here are some photos of our groups creation-

Our final creation had a rock buried in the hill and bark buried around the hill.

Our house after the first downpour.



Our house after a bucket of water.

After a second bucket of water, our house was demolished.

Overall, our group came second. Something we could improve on is making the house sit on the flat bit of the rock. Some things we did well were making supports under the house and putting bits of bark around our hill, making the water run straight off the hill, keeping the sand from eroding. In the end we were proud of our defences from the weather and the design of our house. By Callum and Rowan

Aaron,Wiremu,Nathan- erosion challenge

DESTROYED IN MINUTES!!!

We start building.

We add a moat.

We look proudly at our finished project.

We look at other groups ideas.

We got a sprinkle on our house, it didn't do much. 

A down pour hit our house and made a sink hole.

Overall we were pleased with some of our design ideas but if we did it again we would put some stilts under the house to hold it on the hill. We would also put a channel in the sand to stop the water from damaging the sand around our house.