Question

Activity: Observe the harmful effects of deforestation leading to soil erosion Materials Required: 3 plastic bottle, soil, grass, dry leaves, water, a cup Procedure: 1. Take a pet bottle and cut it from one side and mark them as A,B and C 2. Put soil with some grass in bottle A, soil covered with dry leaves in bottle B and just soil in bottle C 3. Pour water from the top and collect the spill over water in a cup 4. Note down the observation on the water collected these are few questions 1. What difference do you notice in the water collected? (5 Points) 2. Why does water collected from bottle C have high amount of soil in it? (5 Points)

Answer 1

Answer:

Demonstrate that rolling friction is less than sliding with an activity.

Explanation:

Demonstrate that rolling friction is less than sliding with an activity.