Soil Science for Grade 5
Explore the composition, layers, and importance of soil with this engaging worksheet for Grade 5 social studies.
Includes
Standards
Topics
Soil Science: Exploring Our Earth's Foundation
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Some questions may require you to look at the provided diagram.
1. Soil is made up of weathered rock, water, air, and .
2. The darkest and most fertile layer of soil is called the .
3. The process of breaking down rocks into smaller pieces is called .
1. Which of the following is NOT a component of soil?
Humus
Air
Plastic
Minerals
2. What is the main role of humus in soil?
To make the soil sandy
To provide nutrients for plants
To make the soil hard
To prevent water from entering the soil
Observe the diagram of soil horizons below and answer the questions.
1. Which horizon is known as the 'topsoil' and is rich in organic matter?
2. Describe the characteristics of the C horizon.
1. All types of soil are equally good for growing plants.
True
False
2. Soil erosion is always a natural process and never caused by human activities.
True
False
1. Explain why soil is important for life on Earth.