Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper.
A 1
A
is an ingredient of soil that is made of dead plants and animals.
B. rocks
C. humus
D. sand
2. The girls are studying different types of soil. They are comparing clay, sand, gravel and silt. In which soil type
will they find the smallest particles?
A. clay
B. sand
C. gravel
D. silt
3. Which of these soil parts has the largest particles?
A. clay
B. humus
C. sand
D. silt
4. Which of the following is NOT true about soil?
A. Soil is formed in a single layer.
C. Soil is an important natural resource.
B. Farmers use soil to grow plants.
D. Soil contains pore spaces that can be filled with a
or water,
5. Which of the following is not a type of soil?
A. clay
B. mud
C. loam
D. Sandy