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
2
2
1
0
0
3
5
0
2
0
5
11
7
1
3
3
2
2
2
3
0
2
2
3
