Soil Particles
What are the 3 types of soil?
Sand, silt, and clay
Name 1 thing you would find in the bedrock layer?
Large rocks
What is the name of the last layer of soil?
Bedrock
What is erosion?
When soil is washed or blown away.
Meat and cheese can go in the compost bin.
False. Cheese and meat shouldn't go into the compost because it attracts animals.
Which type of soil particle could be described as grainy
Sand
Name 2 things you would find in the organic layer of soil? (humus)
Decomposing animals and plants.
What is the name of of the first layer of soil?
Organic material/humus.
What causes erosion.
Water, wind, or humans
What should not go in a compost bin?
What soil particle holds the most water?
clay
Name 1 thing you would find in the topsoil?
What is the name of of the second layer of soil?
topsoil
Name something that can stop erosion.
Planting trees and plants.
What should go in a compost bin?
Brown - Twigs, dead leaves, crushed eggshells
Green - discarded vegetables parts, leaves, grass
Which soil particle is the largest?
Sand
Name 2 things you would find in the subsoil?
Minerals, sand, or clay
What is the name of the layer above the bedrock layer?
Parent material
We know that wind and water cause soil erosion what is another reason for soil erosion.
Humans removing plants/trees, Farm animals walking on soil
Why do humans use pesticides?
To keep insects and animals away from plants/crops.
What soil particle is the smallest?
Clay
Name 1 thing you would find in the parent material?
Smaller pieces of bedrock
What is the name of the soil horizon after the topsoil?
Subsoil
How can water cause erosion or weathering?
Water can go into cracks and freeze, causing the rock to break apart over time.
Name the three things humans do that are bad for soil.
Erosion - removing plants
Salty soil
Pesticides