Soils are Living: Watch, then answer question number 1.
Question 1
1.
Soil Profile: Watch this video before answering questions 2, 3, and 4.
Question 2
2.
SCI.3.6.2 (1 of 3) Use the text tool to label the soil layers.
Question 3
3.
Question 4
4.
What the Dirt on ... Dirt? Watch, then answer questions 5 and 6
Question 5
5.
Question 6
6.
Types of Soil: watch this and then answer questions 7 and 8.
Question 7
7.
Question 8
8.
Soil Conservation Song: Watch and then answer the next question.
Question 9
9.
Question 10
10.
SCI.3.6.4 (2 of 2) Grab the pen tool and circle the soil conservation method
that originated with the ancient Chinese.
Question 11
11.
SCI.3.5.1 and SCI.3.5.3 Beth wants to plant a small flower garden for her
grandmother. Explain how the different components of soil will help the plants
grow.
SCI.3.6.1 (1 of 1) Why is soil important?
A It anchors and supports plants.
B It provides nutrients.
C It serves as a home for insects.
D All of the above.
SCI.3.6.2 (2 of 3) This layer of soil is located below the topsoil. It is not as
good for plant growth and forms over a long period of time.
A bedrock
B subsoil
C undersoil
SCI.3.6.2 (3 of 3) This layer of soil is solid rock. It forms over a long period
of time and is not good for plant growth.
A bedrock
B subsoil
C topsoil
SCI.3.6.3 (1 of 2) Humus would most likely be found in what layer of soil?
A topsoil
B subsoil
C bedrockS
SCI.3.6.3 (2 of 2) Humus is formed when organic material decays or decomposes on
the surface so it will be located closest to where leaves and other material
decompose.
True
False
SCI.3.6.3 (1 of 2) This component of soil does not hold retain well and can hold
it's shape when wet.
A clay
B sand
C silt
D humus
E rock fragments
SCI.3.6.3 (2 of 2) Sand is made of small grains of worn-down rock, and contains
a lot of nutrients. It is good soil to use for planting vegetables.
True
False
SCI.3.6.4 (1 of 2) One way we can help prevent soil erosion is to
A turn off water when brushing our teeth and taking shorter showers.