Soil bingo

Exercise and reference answers

Clues and terms

1. Clue

   Rotting dead matter in soil.

   Item

   Humus

2. Clue

   Rocks broken by wind, water, climate.

   Item

   Weathering

3. Clue

   Vertical section of layers.

   Item

   Soil profile

4. Clue

   One layer of the profile.

   Item

   Horizon

5. Clue

   Best topsoil, sand plus clay plus silt.

   Item

   Loam

6. Clue

   Riverbed deposit, mid-sized grains.

   Item

   Silt

7. Clue

   Rate water passes through soil.

   Item

   Percolation

8. Clue

   Source of soil particles.

   Item

   Parent rock

9. Clue

   Land surface removed by wind or water.

   Item

   Erosion

Instructions

Read each clue and tap the term it describes.

Explanation