1) What do you call the process by which water, ice, wind or gravity moves weathered rock and soil from one place to another? a) Erosion b) Weathering c) Deposition d) Crop Rotation 2) One of the most powerful natural force that washes away the topsoil in agricultural land. a) wind b) water c) glaciers d) Both A and B 3) Which of the following is most likely to have soil erosion? a) rice field b) grassland c) sloping bare land d) sloping grassland 4) In what way does wind cause soil erosion? a) blowing away soil b) blowing away leaves c) carrying away seeds d) changing rocks to soil 5) Forest or brush have been carelessly cut or burned on sloping land, the rain sweeps down the slope in a sheet and gradually washes away the soil. a) Overcropping b) Deforestation c) Overgrazing d) Kaingin 6) What do we call the large ice formations that move slowly and form valleys and shape mountains through erosion? a) Icebergs b) Waves c) Glaciers d) Ice River 7) What type of soil is most likely eroded by water or wind? a) clay b) topsoil c) silt d) humus 8) Which of the following is way to limit the amount of erosion caused by human activity? a) Planting trees to protect farmland from the wind b) Rotating herds between different grasslands c) Planting trees to replace ones that were cut down d) All of the above 9) Which of the following is not an effect of soil erosion? a) Reduced soil quality b) Water pollution c) Improved water quality d) Decreased crop yield 10) What can occur at the site or an area that is experiencing soil erosion? a) Water pollution is cleared up  b) Natural disasters like landslide c) Reduction in fertility of soil d) Both B and C

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