Soil

Front

What is humus?

Back

Humus is decayed living matter that adds nutrients to the soil.

Front

What is soil conservation?

Back

Soil conservation is the practice of protecting soil from erosion and degradation, such as planting new shrubs.

Front

What happens to animals after a flood?

Back

Animals may not be able to live in the same way as they did before the flood.

Front

Which rock particle is the smallest?

Back

Clay is the smallest rock particle.

Front

What is a positive effect of fire on a forest?

Back

The heat from the fire can allow some seeds to grow.

Front

What are the three main types of soil particles?

Back

The three main types of soil particles are sand, silt, and clay.

Front

What does soil provide for plants?

Back

Soil provides nutrients, water, and support for plants.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by wind or water.

Front

How can planting trees help the soil?

Back

Planting trees helps prevent soil erosion and improves soil quality.

Front

What is the role of earthworms in soil?

Back

Earthworms help aerate the soil and break down organic matter.