Question 1

Which statement best describe weathering

Accepted Answer

It is the breaking of rocks into fragments

Answer

It is dissolving of rocks in the water

Answer

It is the changing of temperature and wether conditions

Answer

It is digging of mountains and rocky places

Question 2

How is mechanical weathering different from chemical weathering?

Accepted Answer

In mechanical weathering, the physical characteristics of the rocks are changed while their chemical composition remains the same

Answer

In mechanical weathering, only the chemical composition is changed

Answer

In mechanical weathering, it involves hydrolysis and oxidation while chemical weathering doesn't involved

Answer

none of the above

Question 3

Why do animals consider as agent to weathering?

Accepted Answer

Because they scrape for protection and produce acid that dissolves some parts of the rocks

Answer

because they split rocks due to the roots

Answer

because they change in temperature

Answer

because they break down the rocks

Question 4

The following are human activities that contribute to soil erosion EXCEPT.

Accepted Answer

reforestation

Answer

deforestation

Answer

deforestation

Answer

quarrying

Question 5

How do trees can prevent soil erosion during rainy seasons?

Accepted Answer

Their roots absorb water and hold the soil

Answer

trees make the soil rich

Answer

trees bear some fruits

Answer

Their leaves and branches absorb water

Question 6

What agent cause the rocks to break when they bump with each other because of strong current in the seas and rivers?

Accepted Answer

wind

Answer

water

Answer

sun

Answer

people

Question 7

What type of soil is formed when plants and animals decay

Accepted Answer

humus

Answer

rocky

Answer

clay

Answer

sandy

Question 8

What are the possible effects of erosion to plants, animals and people?

Accepted Answer

all of the above

Answer

travelling by land becomes difficult because rocks are destroyed

Answer

Farmers cannot grow more crops because the topsoil was carried by erosion

Answer

the natural habitat of plants and animals are destroyed

Question 9

How do winds contribute to the weathering process?

Accepted Answer

it sometimes intenfies the force of the water to break rocks especially when there is a typhoon

Answer

it just simply blows to the rock surface

Answer

it throw a the rock in the backyard of your neighbor

Answer

it produce electricity that males the rock blast

Question 10

Landslides is one of the effects of soil erosion.

Which of the following does NOT tell how dangerous landslides can be?

Accepted Answer

It will help in the increase of the harvest farmlands

Answer

It can damage plants & other agricultural crops

Answer

It can kill animals & people

Answer

It can cause destruction to properties

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