Free Printable EARTH SCIENCE 1ST QUARTER

1.

The soil contamination can be indicated by its pH level. The statement is ________

a)

True, because it may be due to addition of acidic or basic pollutants.

b)

False, because the soil has its own way of controlling pH level

c)

True, because additional nutrients will always make the soil acidic

d)

False, because low amount of nutrients will make the soil basic

2.

Which of the following is a process that involves planting seeds into the residue of the previous crop?

a)

Contour Farming

b)

No-Till Farming

c)

Crop Rotation

d)

Strip Cropping

3.

Why is planting trees help in conserving the soil? It is because ________

a)

A. it helps in maintaining soil moisture content.

b)

B. its roots hold the soil firmly avoiding erosion.

c)

C. it gives nourishment to the soil.

d)

D. all of the above

4.

Soil conservation is _____

a)

a combination of practices used to protect the soil from degradation.

b)

a set of standards for using the soil in relation to current situations.

c)

a process of studying the soil profile.

d)

a policy of declaring a soil area to be protected for future use.

5.

These are major inputs into agriculture to provide stable optimum growing conditions, meet plant nutrient demand and maintain a balanced nutrient.

a)

Lime and mineral fertilizers

b)

Growing plants

c)

Desertification

d)

Herbicides

6.

Soil is composed of ____________.

a)

organic matter produced by organisms

b)

fragments of bedrock

c)

clay minerals formed by the chemical alteration of bedrock

d)

All of these

7.

Which process involves improper disposal of waste products with hazardous chemicals that cause soil pollution?

a)

Construction and Development

b)

Farming

c)

Mining

d)

Waste Disposal

8.

Which ONE involves land preparation for crops planting by cutting trees and other plants followed by plowing the soil?

a)

Construction and Development

b)

Farming

c)

Mining

d)

Waste Disposal

9.

Which of the following affects the quality of water?

a)

A. Wastes

b)

B. Climate

c)

C. Precipitation

d)

D. Hydropower plant

10.

Which of these practices show conservation of water?

a)

Repair leaking faucets.

b)

Wash clothes everyday

c)

Take long shower when bathing

d)

Use running water when brushing teeth

11.

Most of the water on Earth is ______.

a)

freshwater

b)

saltwater

c)

wet water

d)

lake water

12.

Water sources found present on the surface of the earth in the form of oceans, rivers, lakes, ponds and streams is called?

a)

rain water

b)

fresh water

c)

surface water

d)

underground water

13.

Assessing the impact of plants, which of the following is true about geothermal and hydropower in terms of environmental concerns?

a)

Geothermal is more environment friendly than hydropower plant.

b)

Hydropower is more environment friendly than geothermal plant.

c)

Both geothermal and hydropower plants are environment friendly.

d)

The impact of the power plants to the environment depends on the situation.

14.

Hydropower is largely dependent on

a)

Carbon Cycle

b)

Nitrogen Cycle

c)

Water Cycle

d)

Nutrient Cycle

15.

Geothermal energy and hydropower are examples of renewable resources because:

a)

they are sourced from nature.

b)

they can be replenished within human life span.

c)

they can sustain electricity to the community.

d)

they never harm the environment.

16.

Which of the following is the correct increasing order of the types of coal based on the quality?

a)

anthracite, bituminous, subbituminous and lignite

b)

anthracite, lignite, bituminous and subbituminous

c)

lignite, anthracite, subbituminous and bituminous

d)

lignite, subbituminous, bituminous and anthracite

17.

Malampaya is one of the fossil fuel reservoirs of the Philippines situated at the island of Palawan. What type of fossil fuel is harnessed in it?

a)

Coal

b)

Coal and Oil

c)

Natural Gas

d)

Oil

18.

Which of the following statement is correct?

a)

Natural gas is not a fossil fuel.

b)

Coal, natural gas, and oil are fossil fuels.

c)

Fossil fuels are man-made energy source.

d)

Coal is the most expensive energy source in the world.

19.

Which of the following contribute to the formation of fossil fuels?

a)

water and air

b)

heat and pressure

c)

carbon and oxygen

d)

oxygen and carbon dioxide

20.

Why is coal considered as a non-renewable energy source?

a)

because it is sustainable

b)

because it is expensive to mine

c)

because it takes millions of years to form

d)

because it can be regenerated or replaced

21.

Engr. Sarmiento took a sample of mineral from the prospective mineral deposit. What mineral processing did he do?

a)

analysis

b)

comminution

c)

sampling

d)

dewatering

22.

Which of the following is the correct step by step process in mineral processing?

a)

comminution, dewatering, crushing, grinding, and analysis

b)

sampling, analysis, comminution, concentration, and dewatering

c)

sampling, analysis, comminution, filtration, and dewatering

d)

dewatering, comminution, analysis, sampling, and surface mining

23.

Nickel is an important ingredient in the production of stainless steel. In the Philippines, CARAGA region has the most numbered nickel mining site where miners remove a thin parallel strip of soil to extract the ore deposits. Which mining method did the miners use?

a)

Dredging

b)

Open-pit mining

c)

Strip mining

d)

Underground mining

24.

How do modern miners determine the prospective mineral ore body?

I. using geophysical techniques

II. determining the elevation of the area

III. measuring the magnetic reading of the area

IV. determining the sonic responses of the location

a)

I, II and III

b)

I, II and IV

c)

II, III and IV

d)

III, IV and I

25.

Which of the following is not a mineral ore?

a)

a rock with fossilized insect

b)

a sediment that has gold traces

c)

a rock combined with copper

d)

a rock that contains valuable mineral

26.

Which of the following metals are mainly used for aircraft components because they are light weight and durable?

a)

Aluminum

b)

Nickel

c)

Chromium

d)

Steel

27.

Nuclear energy is one of the cleanest and efficient energy sources. Which of the following minerals are used as a source of this type of energy?

a)

Carbon

b)

Silver

c)

Chromium

d)

Uranium

28.

Which of the following semi metallic minerals are used as electrical components for gadgets and computers?

a)

copper

b)

silicon

c)

gold

d)

silver

29.

Iron is a corrosive metal and forms rust once exposed to air. Manufacturers use stainless steel in making safe kitchen wares.

What are the primary minerals combined with iron to form stainless steel?

a)

Chromium and carbon

b)

Chromium and silicon

c)

Nickel and carbon

d)

Nickel and silicon

30.

Glassware is commonly used in the kitchen. What are the mineral components of glasses that are used to produce kitchen wares?

a)

Quartz and nickel

b)

Quartz and silica

c)

Silica and nickel

d)

Silica and chromium

31.

Which of the following statements is TRUE about metamorphic rocks?

a)

It formed from pre-existing rocks.

b)

It is subjected to cold and high pressure.

c)

It is composed of plants and animals’ materials.

d)

It is formed from deposition and cementation

of minerals and

organic particles.

32.

While walking at the beach, Angela found a rock sample with shells and pebbles embedded. What type of rock did she find?

a)

Igneous rock

b)

Metamorphic rock

c)

Ore body rock

d)

Sedimentary rock

33.

A rock sample was recovered from Taal Volcano Island by a local. The resident volcanologist was on site and identified that the rock was formed from the material ejected by the volcano during its eruption. What type of rock did the local recover?

a)

Igneous rock

b)

Metamorphic rock

c)

Ore body rock

d)

Sedimentary rock

34.

Which of the following is not a classification of sedimentary rock?

a)

clastic rock

b)

organic rock

c)

chemical rock

d)

non-foliated rock

35.

Ava collected samples of sedimentary rocks from the riverbank of Pansipit . She grouped the rocks according to their characteristics. On the first group, she observed attached weathered rock on the samples. While on the second group, she observed shells attached on it. What type of sedimentary rocks had been collected by Ava from the riverbank?

a)

The first group is clastic sedimentary rocks while the second is chemical sedimentary rock.

b)

The first group is clastic sedimentary rocks while the second is organic sedimentary rock.

c)

The first group is chemical sedimentary rocks while the second is clastic sedimentary rock.

d)

The first group is organic sedimentary rocks while the second is clastic sedimentary rock.

36.

Which of the following statement is TRUE about silicates?

a)

made of carbon, oxygen, and a metallic element

b)

brightly colored minerals

c)

largest group of minerals

d)

very soft and easily dissolved in water

37.

An unknown mineral sample was tested by putting a drop of HCl solution on the surface. After few minutes there was a bubble formation on the surface. What physical property of mineral was tested in the unknown mineral sample?

a)

Odor

b)

Reaction to acid

c)

Specific Gravity

d)

Striations

38.

Which of the following mineral properties relates why talc is used as a component for baby powder?

a)

Streak

b)

Hardness

c)

Fracture

d)

Cleavage

39.

James Dana developed a classification scheme for minerals. Which of the following is the basis of his classification?

a)

Chemical composition of the minerals

b)

Location of mineral occurrence

c)

Hardness of the mineral

d)

Color of mineral

40.

Angela tests a mineral sample by scratching it to white and black porcelain plate to determine its true color. What property of minerals did she test?

a)

Specific gravity

b)

Streak

c)

Hardness

d)

Color

41.

What subsystems are involved in the statement given below? “Flooding moves soil and rock to new places.”

a)

Atmosphere and Hydrosphere

b)

Hydrosphere and Biosphere

c)

Geosphere and Biosphere

d)

Hydrosphere and Geosphere

42.

Which of the following is TRUE about hydrosphere?

a)

A. It includes organisms.

b)

B. It serves as the Earth’s blanket.

c)

C. It is affected by temperature and salinity.

d)

D. It is composed of the different landforms of the Earth.

43.

Which of the following is an interaction between geosphere and atmosphere?

a)

Bacteria converting nitrogen to ammonium

b)

Rocks undergoing the process of weathering due to flood

c)

. Plants undergoing the process of transpiration

d)

Water evaporating from the soil

44.

Which subsystem contains all living organisms of Earth, including those in the land, in the water and in the air?

a)

Atmosphere

b)

Geosphere

c)

Biosphere

d)

Hydrosphere

45.

Oceans cover the almost entire Earth surface. This is the big part of Earth’s hydrosphere and plays an important role in Earth’s habitable condition. Which of the following is its function?

a)

It protects and absorbs solar radiation.

b)

It absorbs and redistributes solar radiation

c)

It protects and adsorbs solar radiation.

d)

It adsorbs and replenishes solar radiation.

46.

An astronomer observed an Earth-sized like planet in a distant galaxy. Based on the data, the planet is at the same distance from its star, like Earth to its star – the sun. It is also covered with a thick atmosphere which is composed of carbon dioxide and shows no volcanic activity. What can you infer from this data?

a)

The Earth-like planet is hot and no nutrient cycling occurs.

b)

The Earth-like planet is hot and nutrient cycling occurs.

c)

The Earth-like planet is cold and no nutrient cycling occurs.

d)

The Earth-like planet is cold and nutrient cycling occurs.

47.

What will happen to Earth if there are no greenhouse gases?

a)

Earth’s temperature will increase.

b)

Earth’s temperature will become stable.

c)

Earth’s temperature will decrease.

d)

Earth’s temperature will not be affected

48.

If Earth is smaller than its size, how will you describe its atmosphere?

a)

it has a thinner atmosphere.

b)

it won’t affect Earth’s atmosphere.

c)

it has a thicker atmosphere

d)

Both A and B are correct.

49.

What is the most important factor that determines Earth’s temperature?

a)

distance from the sun

b)

gas in the atmosphere

c)

size of the orbit

d)

amount of water on the planet

50.

Which of the following statement is TRUE?

x

a)

Living organisms can harness energy from the sun.

b)

Living organisms cannot harness energy from chemical substances.

c)

All living organisms cannot survive without sunlight.

d)

All living organisms cannot survive without sunlight.

51.

Coal is one of the major types of fossil fuels. In which types of organic matter does coal come from?

a)

mostly algae

b)

marine organisms

c)

dissolve minerals from rocks

d)

forest trees, plants and marshes

52.

Which of the following is the first event in fossil fuel formation?

a)

They are then able to turn it into products we can use, such as petrol and diesel.

b)

Millions of years ago, the remains of prehistoric plants and animals were buried at the bottom of the Earth.

c)

The plants and animals remain were altered chemically by this process and slowly changed into crude oil and natural gas.

d)

The mud sediment was buried by more sediments and It started to change into rock as the temperature and pressure increased

53.

Geothermal energy comes from deep inside the earth due to:

a)

slow decay of radioactive particles in the earth's core.

b)

friction between tectonic plates.

c)

rotation of the earth in its axis.

d)

absorption of solar energy

54.

Both geothermal and hydropower plants require

a)

Turbine

b)

Generator

c)

Transformer

d)

All of the above

55.

The following are kinds of water that are needed for agricultural purpose EXCEPT ONE.

a)

rainwater

b)

saline water

c)

ground water

d)

surface water

56.

The following are reasons for water reduction EXCEPT ONE.

a)

overuse

b)

too much rain

c)

drying up of wells

d)

pollution on water resources

57.

Which of the following can have serious detrimental impact on water resources?

a)

Human activities

b)

Employment

c)

Inflation

d)

Virus

58.

Which of the following is the organic and inorganic materials on the surface of the earth that provide the medium for plant growth?

a)

food

b)

animals

c)

soil

d)

water

59.

This practice of farming on slopes considers the slope gradient and the elevation of soil along the slope.

a)

No-Till Farming

b)

Crop Rotation

c)

Strip Cropping

d)

Contour Farming

60.

They are important organisms for the nitrogen cycle.

a)

earthworms

b)

millipedes

c)

rodents

d)

bacteria

61.

Which of the following describes a rock?

1. Solid 2. Heavy 3. Naturally occurring 4. Aggregate of minerals

a)

1, 2 and 3

b)

1, 3, and 4

c)

1, 2 and 4

d)

2, 3 and 4

62.

Which of the following is excluded from the group?

a)

gabbro

b)

granite

c)

pegmatite

d)

Shale

63.

In spite of intense heat and pressure, nonfoliated rocks did not formed bands. Which of the following rocks is nonfoliate?

a)

Gneiss

b)

marble

c)

phyllite

d)

slate

64.

Which of the following rock contains less crystals?

a)

diorite

b)

granite

c)

pegmatite

d)

rhyolite

65.

Which group of sedimentary rocks is formed from precipitate of dissolved materials?

a)

Clastic rock

b)

Chemical rock

c)

Foliated rock

d)

Organic rock

EARTH SCIENCE 1ST QUARTER - REVIEWER

Total questions: 65

Worksheet time: 36mins

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