Soil Review

Which of the following would not cause rock to break down over time?

• Flowing water (1)

• Blowing wind (2)

• Cooling Sand (3)

• Moving ice (4)

What is the main component of soil?

• Fossil fuels (1)

• Weathered rock (2)

• Iron (3)

• Salt water (4)

Which of the following are not plant remains

• Dead leaves (1)

• Dried twigs (2)

• Sand particles (3)

• Seed covers (4)

How do plants become part of soil?

• They die and decay (1)

• They grow (2)

• They produce offspring (3)

• They get watered (4)

What would cause rocks near the ocean to weather?

• Leaves falling from trees (1)

• Clouds in the sky (2)

• Water crashing against the rocks (3)

• Salt dissolving in the water (4)

Which of the following would most likely contribute to the formation of soil?

• Volcano eruptions (1)

• Build up of snow (2)

• Migration of animals (3)

• Break down of rock by wind, water, and ice (4)

Which of the following is not a component of soil?

• Weathered rock (1)

• Plant matter (2)

• Plastic substances (3)

• Animal remains (4)

How would the soil be different in an area that gets little rainfall?

• Smaller rock pieces (1)

• Many insects and worms (2)

• Greater variety of plants (3)

• Less water and organic matter (4)

How do plants contribute to the formation of soil?

• They shade it from sunlight (1)

• They die, decompose, and become part of soil (2)

• They use soil to grow (3)

• Support animal life in the soil (4)

A student mixed together sand, tiny rocks, small twigs, and some leaves. What did the student model?

• How rocks change over time (1)

• Life cycle of plants (2)

• Formation of soil (3)

• How landforms are created (4)