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Worksheets

Mock Test

Total questions: 35

Worksheet time: 9hrs 45mins

Name
Class
Date
1.

The solid outer part of the earth

(a)  

2.

Earth is a what type of system?

(a)  

3.

Earths most inner part and consist of 2 metals: iron and nickel

(a)  

4.

Liquid part/state of the core

(a)  

5.

What does the term “atmo” mean?

(a)  

6.

The process which by green plants or certain organism transform light energy into chemical energy

(a)  

7.

-The first layer above the Earth’s surface

-Weather occurs in the Earth's (a)  

8.

-The fourth layer of the atmosphere

-first exposed to the suns radiation

-The location where auroras occur

(a)  

9.

The term “hydro” means

(a)  

10.

It comprise all of the earth's living organism.

(a)  

11.

-The last layer of the atmosphere

-where the atmosphere merge into space

(a)  

12.

It comprise all of earth’s frozen water parts

(a)  

13.

Thinnest layer of the earth?

(a)  

14.

-A lot of meteors burn up in this layer while entering the Earth's atmosphere

-The third layer of the atmosphere

(a)  

15.

In this process the composers such as bacteria Fungi, break down dead organic material containing nitrogen and convert nitrogen to amonia and water soluble salts contains

ammonium ion.

(a)  

16.

-The second layer of the atmosphere

-The location of the ozone layer.

(a)  

17.

ammonia is converted by bromic bacteria into nitrite ions which are inconverted by oter bacterias into nitrate ions, which is absorbable by plants.

(a)  

18.

The subsystem that are interacting in the hydrologic cycle of earth’s system

a)

Atmosphere

b)

Lithosphere

c)

Biosphere

d)

Hydrosphere

e)

Cryosphere

19.

-This cycle is powered by the energy of the sun and gravity

(a)  

20.

What processes are at work during hydrologic cycle

a)

condensation

b)

Precipitation

c)

Infiltration/ percolation

d)

Runoff

e)

Evapotranspiration

21.

Subsystem that interacts during carbon dioxide cycle

a)

Hydrosphere

b)

Atmosphere

c)

Lithosphere

d)

Biosphere

22.

Subsystems that interact during nitrogen cycle

a)

Lithosphere

b)

Hydrosphere

c)

Biosphere

d)

Atmosphere

e)

Cryosphere

23.

What does the word “Litho” mean?

(a)  

24.

plant roots absorbs amonia, ammonium ions, and nitrate lons, dna, amino acids, and proteins. Amonia is toxic to plants at high concentration, while ammonium ions is available under acidic conditions.

(a)  

25.

Ammonia and amonium ions are acted upon by specialized bacteria to convert them Into nitrite ions and nitrate ione and then into nitrogen ion and hittous oxide

(a)  

26.

is the chemical element with the symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens.

(a)  

27.

is a colorless highly irritating gas with a sharp suffocating odor. It dissolves easily in water to form ammonium hydroxide solution which can cause irritation and burns.

(a)  

28.

is a polyatomic ion with the chemical formula NO⁻ ₃. Salts containing this ion are called nitrates.

(a)  

29.

has the chemical formula NO⁻ ₂. Nitrite is widely used throughout chemical and pharmaceutical industries.

(a)  

30.

are the most essential Building block of the geosphere

(a)  

31.

-the fundamental components of a rock

-naturally formed said substance with a crystal structure

(a)  

32.

It is the largest layer of the earth and is made out of rock or ices

(a)  

33.

Most abundant element

a)

Magnesium

b)

Sulfur

c)

Nitrogen

d)

Oxygen

34.

is the quality and intensity of reflected light exhibited by the mineral. (surface, reflection , and overall quality)

(a)  

35.

Is the solid part/state of the core

(a)