Layers of Soils
Types of Soil
Save Soils!
True or False
Environmental Terms
100
Which of the following is NOT a component of soil? a. Humus b. Silt c. Garbage d. Sand
c. Garbage
100
Which soil type can become hard as stone when dry?
Clay
100

Why is it important to plant trees and grass on soil?

To prevent erosion (movement of soil from one place to another by wind, water, air and weather)

100
TRUE or FALSE: Soil is made up of water, air, minerals, organic matter.
TRUE
100

Anything related to the earth.

What is terrestrial?

200
Which layer of soil contains humus? a. Topsoil b. Subsoil c. Silt d. Bedrock
a. Topsoil
200
Which soil type is made up of tiny fragments of rock, does not hold water well, feels gritty, and has very few nutrients?
Sand
200
Which of the following does NOT save soils? a. worms b. decomposition c. pesticides d. planting different crops every year
c. pesticides
200
TRUE or FALSE: Erosion is when air, water, and wind break down large rocks into soil.
FALSE: Weathering is when air, water, and wind break down large rocks into soil.
200

The specific place where an animal or plant grows, lives and satisfies its basic needs.

What is habitat?

300

Rocks that has been broken down by physical and chemical processes is termed _________.

b. What is soil.

300

Clay particles are ____________________________. a. Larger than sand and smaller than loam. b. Smaller than sand and larger than loam. c. The same size as loam d. Smaller than sand and loam

d. Smaller than sand and loam

300
Without soils, we would not be able to live! Which of the following is NOT made from soils? a. bricks b. clothes c. paint d. fur
d. fur
300
TRUE or FALSE: Worms are good for soils because they create tunnels to allow minerals and water to go through soils.
FALSE: Worms allow AIR and water to go through soils.
300

Non-living parts of the environment such as soil, water, sunlight, temperature made up the _________ environment. Organisms make up the living part.

What is natural environment?

400
Which layer of soil has lots of organic material like plants and decaying leaves and is very thin and dark in colour?
Humus
400

Which type of soil has the largest particles, coarse in texture and has the least humus content?

Sand

400

An environmental change affecting the soil, as a result of soil erosion, improper use usually for industrial, agricultural, or urban purposes or because of poor management.

What is soil degradation

400

TRUE OR FALSE: Composting is time consuming and requires expensive equipment.

FALSE: Composting can be as simple as making a pile of leaves and letting it sit until it decomposes. However, there are composting facilities that use heavy-duty equipment for shredding, mixing, aerating, and moving the organic matter as it composts.

400
Another way to identify soil layers is ____________.
Horizons
500
Name the 5 layers of soil, starting from the layer closest to your feet.
1. Humus 2. Topsoil 3. Subsoil 4. Parent Material 5. Bedrock
500

In our soil experiment, what type of soil floats on the top, stay in the middle, and sink to the bottom? Name the three types in that order.

Clay particles float on the top because it is the smallest particle. Loam particles stay in the middle because they are mid sized. Sand particles sink to the bottom because they are the largest particle.

500

The removal of the top soil from the land, especially on steep slopes, usually as a result of slash and burn clearing of land, flooding, and poor agriculture practices.

What is erosion?

500
It is not a good idea to compost: a. Vegetable peelings b. Grass clippings c. Small twigs d. Bread products
d. Bread products Bread products such as cakes, most baked goods and pasta can attract unwanted pests such as rats.
500

The different plants and animals in an environment _________.

organisms

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