Ag Science

Soil is composed of all of these natural materials EXCEPT

• weathered rock
• plant matter
• plastic substances
• animal remains

Which of the following processes will most likely contribute to the development of soil?

• Volcanic eruptions that make new land
• Building up of snow in very cold areas
• Migration of animals to warmer climates
• Breaking down of rock by wind, water, and ice

Tags

NGSS.MS-ESS2-2

Plants and animals become part of soil when they -- 

• Die and Decay
• Produce offspring
• Grow and Develop
• Take in nutrients

Tags

NGSS.MS-LS2-3

One component of soil is decayed plant and animal remains, but the major component of soil is - 

• Fossil Fuels
• Weathered rocks
• Iron ore
• Salt water

Tags

NGSS.MS-LS2-3

The weathering of rocks into small pieces forms what natural resource?

• Minerals
• Water
• Coal
• Soil

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

How do plants contribute to the formation of soil? Plants - 

• cover the soil and shade it from sunlight
• die, decompose and become part of the soil
• use soil to grow and develop over time
• support the animal life in the soil

Soil is a mixture of:

• Weathered minerals, Sand, Chalk and organisms

• Weathered minerals, Organic matter, organisms, air and water

• Air, water, weathered minerals, inorganic phosphates,

• Organic matter, inorganic Phosphates, Cations,

Classification of plant which life cycle is completed in one season only.

• Annual

• Biennial

• Perennial

• Seasonal

Classification of plant that requires two season to attain development, mature seeds and die.

• Annual

• Biennial

• Perennial

• Seasonal

These are the plants that can live for several years and may produce seeds each year but do not die with seed production.

• Annual

• Biennial

• Perennial

• Seasonal