Year 7 Soil Characteristics

What is soil composition?

• Arrangement and proportion of different components in soil

• The age of soil

• The temperature of soil

• The color of soil

Name the three main components of soil.

• minerals, organic matter, water

• sand, silt, clay

• rocks, pebbles, gravel

• air, sunlight, temperature

Which component of soil provides nutrients to plants?

• sand

• clay

• silt

• humus

What is soil pH?

• Soil pH is a measure of the amount of water in the soil.

• Soil pH is a measure of the acidity or alkalinity of the soil.

• Soil pH is a measure of the soil's texture and structure.

• Soil pH is a measure of the nutrient content in the soil.

What is the pH range for acidic soil?

• 8.0-10.0

• 4.0-6.0

• 6.0-8.0

• 2.0-4.0

What is the pH range for alkaline soil?

• 7.1-14

• 8-14

• 1-7

• 0-6.9

What is the pH range for neutral soil?

• 6.5 to 7.5

• 4.5 to 5.5

• 7.5 to 8.5

• 5.5 to 6.5

What are the three main types of soil?

• gravel, rock, shale

• loam, peat, humus

• sand, silt, clay

• water, air, organic matter

Which type of soil has the smallest particles?

• silt soil

• clay soil

• loam soil

• sandy soil

Which type of soil has the largest particles?

• sandy soil

• silt soil

• loamy soil

• clay soil