Vocabulary
Layers of Soil
Types of Soil
Other
100
A mixure of minerals, weathered rocks, water, air, and living things is called....
soil
100
Which layer of soil contains the most humus?
topsoil
100
Name the 3 types of soil texture.
Clay, Sand, and Silt
100
Which of the following is responsible for keeping soil in its place? A)earthworms B)ants C)plants D)bacteria
C)plants
200
materials on Earth that are necessary or useful to people are called...
natural resources
200
The layer of soil that has a lighter color and less humus than the layer above it is called....
subsoil
200
Soil made up of a mixture of sand, silt, and clay is called......
loam
200
Name an example of a natural resource.
soil, water, etc. (Anything that is formed in nature on its own.)
300
Bits of decayed plants and animals that add nutrients to soil is called...
humus
300
Solid rock, or the bottom layer of soil is called....
bedrock
300
What is needed to plants to grow the best?
humus
300
Which of the following best decribes the importance of soil? A)Without soil, most plants would not grow. B) There would be no wood to build homes. C)Organisms on land would not have food to eat. D)All of the above.
D)All of the above
400
Which of the following best defines natural resource? A)a material that is manufactured in a factory. B)A material that is bought in a store. C)A material that is found naturally on Earth, and it is necessary and useful to people. D)a material taht is sold at a low price.
C)A material that is found naturally on Earth, and it is necessary and useful to people.
400
the top layer of soil is called....
topsoil
400
What most likely tells you that a type of soil will be good for growing crops? A)The soil is red. B)The soil is dark brown or black. C)The soil contains water. D)The soil contains animals.
B)The soil is dark brown or black.
400
Which of the following is NOT a fact about crop rotation? A) Certain crops add minerals to the soil. B) Crop rotation may only be done every five years. C)Crop rotation can prevent diseases to crops caused by insects and other animals. D) Crop rotation can help the soil stay healthy.
B) Crop rotation may only be done every five years.
500
Which of the following describes soil? A) bits of decayed plants and animals B) solid, nonliving substances found in nature C)bits of rock, minerals, plants, animal remains, and living things D)all of the above
C) bits of rock, minerals, plants, animal remains, and living things
500
Name the three layers of soil from the top to bottom.
Topsoil, Subsoil, and Bedrock
500
If someone wants to know the texture of the soil, they should.... A)observe the soil color B)measure how deep the soil is C) identify the minerals in the soil D) observe the size of the soil
A) observe the soil's color
500
Which of the following is fact regarding soil color? A)Soil only comes in one color. B)Soils rich in humus look dark brown or black. C)Soils that are red do not have any iron. D)Soils with a lot of mineral calcite look dark brown.
B) Soils rich in humus look dark brown or black.
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