Soil Flashcard

Front

Which of the following is NOT one of the three types of soil? Options: clay, sand, silt, mud

Back

mud

Front

Are there minerals in soil?

Back

Yes

Front

What part of the topsoil most likely made the topsoil feel gritty when rolled into a ball and it falls apart? Options: clay, sand, silt, humus

Back

sand

Front

You dig a small hole in the soil and the next day it rains. The hole fills with water, but does not empty even after several days of dry weather. What is the soil mostly made of? Options: clay, sand, humus, silt

Back

clay

Front

The texture of soil depends mainly on

Back

the size of the particles in the soil.

Front

Which of the following best describes soil erosion?

Back

the movement of soil by wind or water

Front

Why can't many plants grow in sandy soil?

Back

Sandy soil does not hold enough water.

Front

Which type of soil can hold the greatest amount of water?

Back

Clay, because its particles are very small.

Front

Where do most plants and animals live?

Back

Topsoil

Front

What is soil a mixture of?

Back

rock particles, minerals, decayed organic material, air and water