3
1Keywords:
Earth systems
erosion
experimental design
experiments
models
rivers
slope
water
This practical task assesses students' ability to design and carry out a fair test on the relationship between slope and rates of erosion.
1
5
4
2
2
0
2
1
0
6
0
2
3
5
0
4
4
1
2
0
5
11
1
1
6
