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Science Q4wk1

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Soil covers most of the land part of the Earth.

a)
b)
2.

Soil is a system into which energy and matter from the sun, the atmosphere, and the living organism penetrate and interact.

a)
b)
3.

There are three main types of soil namely: clay, loam, and sand.

a)
b)
4.

Different types of soil have the same physical characteristics.

a)
b)
5.

Loam soil is made up of coarse and loose particles

a)
b)
6.

It is the ideal soil for gardening because it can hold enough water and oxygen, which are needed for plant growth.

a)
b)
c)
7.

Sand Soil is light, warm, and dry. It tends to be acidic and _________ in nutrients.

a)

High

b)

Low

c)

none

8.

soil basically has small particles with little spaces between, which makes it bad for growing things.

a)

Loam

b)

Sand

c)

Clay

9.

When clay soil is dry, it becomes ________ ; when it is wet, it feels sticky..

a)

hard

b)

Soft

c)

slimy

10.

The topmost layer of soil is called _________ which is generally fertile, where seeds germinate, and plant roots grow.

a)

Topsoil

b)

Subsoil

c)

Bedrock

11.

The layer where clay and mineral deposits are found in

a)

Topsoil

b)

Subsoil

c)

Bedrock

12.

It is the last layer underneath the subsoil layer consisting of consolidated rocks and are made up of boulders

a)

Topsoil

b)

Subsoil

c)

Bedrock

13.

The layer in which is generally fertile, where seeds germinate, and plants roots grow.

a)

Topsoil

b)

Subsoil

c)

Bedrock

14.

The organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms, is called____

a)

Humus

b)

Soil

c)

Topsoil

15.

It contains of a mixture of weathered rock finely ground into powder, minerals, and a variety of living and dead life forms.

a)

Humus

b)

Soil

c)

Topsoil