Category 1
What are the four types of soil?
Loam soil, sand soil, silt soil and clay soil
_______ is very valuable to our environment.
soil
What is the best type of soil to grow plants in?
Loam soil
When soil is mixed with water, what particles sink to the bottom first?
Sand
This soil has very little organic matter and does not retain water.
Sand
Name 3 things you can compost.
Any fruits/vegetables.
What are the three soil particles? name them in order from the largest to the smallest.
(biggest ) sand then silt then clay (smallest)
What can humans add to soil that is harmful?
additives
What is Hummus made of?
Decomposing plants and animals
This soil is heavy and does not allow water to drain through easily.
Clay
What are the four types of additives we discussed?
Pesticides, herbicides, fertilizer and salt.
Composting is...
True or False:
Earthworms help with decomposition.
True
Cutting down many trees can cause soil....
Erosion
The chemical used to kill pests
Pesticides
Soil supports plant growth by providing the plant with anchorage, oxygen, ________ and _________.
water and nutrients.
True or False:
It is a good idea to compost chicken wing bones.
False: animal bones can be very smelly and take a long time to decompose.
Drainage is...
The process of removing water from the soil.
True or False: soil is a natural resource
True
The best type of soil for growing plants
Loam soil
Why does a dark colored soil have more nutrients than a light colored soil?
Because it has more organic matter in it which provides the nutrients.
What is erosion?
Movement of soil from one place to another.
Another name for loam is
Garden Soil
The reason why loam is best for growing plants.
It holds water well
What the top layer of Earth is called
Soil