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SCIENCE 4 FOURTH PERIODICAL TEST

Total questions: 80

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

Soil is made of ---

a)

weathered rocks and minerals.

b)

dead plants and animals.

c)

air and water.

d)

all of the above

2.

Which layer of soil is at the bottom of a soil profile?

a)

topsoil

b)

subsoil

c)

bedrock

d)

humus

3.

Humus is ---

a)

the dead parts of plants and animals in soil.

b)

A food we eat with pretzels.

c)

The tiny particles inside of soil.

d)

The roots that come off of a plant and live in soil.

4.

When plants, animals, and other organisms die, they break down and become part of the soil. What is this substance called?

a)

sand

b)

silt

c)

clay

d)

humus

5.

What is the layer of the soil just below the topsoil?

a)

bedrock

b)

subsoil

c)

topsoil

d)

humus

6.

What is the layer of soil that contains humus, leaf litter, and other organic matter called?

a)

Organic

b)

Topsoil

c)

Subsoil

d)

Bedrock

7.

Why is topsoil darker than all other layers of soil?

a)

It contains all the darker colored minerals.

b)

It contains volcanic rock.

c)

It contains more organic matter.

d)

It contains bits of burned trees.

8.

Where does most of the water go when it rains?

a)

In the ocean

b)

In the rivers

c)

In the gutters

d)

It is absorbed into the soil.

9.

Why is soil an important natural resource?

a)

soil is used to make buildings

b)

soil can grow crops

c)

soil comes from bedrock

d)

soil is full of microbes

10.

layers of the soil in order, from the top

a)
top soil, bedrock, horizon C, subsoil
b)
top soil, subsoil, horizon C, bedrock
c)
top soil, horizon C, subsoil, bedrock
11.
What are the four soil components?
a)
Sand, rock, humus, air
b)
Rock, humus, air, water
c)
Rock, humus, roots, water
d)
Rock, humus, animals, plants
12.

The top layer of soil is called ______.

a)

topsoil

b)

subsoil

c)

bedrock

13.

The middle layer of soil is called ______.

a)

topsoil

b)

subsoil

c)

bedrock

14.

The bottom layer of soil is called ______.

a)

topsoil

b)

subsoil

c)

bedrock

15.

The amount of water soil can hold is its ______.

a)

topsoil

b)

water capacity

c)

bedrock

d)

weathering

16.

When a rock gets broken down into soil, this process is called ______.

a)

topsoil

b)

water capacity

c)

weathering

d)

erosion

17.

Which layer of soil is solid rock?

a)

topsoil

b)

subsoil

c)

bedrock

18.

The decayed remains of plants and animals is called ______.

a)

soil

b)

subsoil

c)

humus

d)

weathering

19.

Soil has two layers.

a)

True

b)

False

20.

Soil is made up of ________.

a)

water, dirt, worms, and banana peels

b)

minerals, air, water, and organic material

c)

air, worms, plants, and headphones

d)

water, worms, walnuts, and watermelons

21.

In which layer of soil do plant roots grow?

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

22.

The R Horizon is also known as the _____.

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

23.

The B Horizon is also known as the _____.

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

24.

The O Horizon is also known as _____.

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

25.

The layers of soil are also known as ____.

a)

horizons

b)

humus

c)

loam

d)

dirt

26.

Which soil contains the large amount of decaying plants and animals?

a)

Sand

b)

Land

c)

Loam

d)

Clay

27.

Which type of soil is used for pottery?

a)

Loam

b)

Sand

c)

Clay

d)

Asphalt

28.

Which type of soil mostly found on beaches?

a)

Clay

b)

Sand

c)

Loam

d)

Asphalt

29.

Which type of soil holds water the best?

a)

Loam

b)

Humus

c)

Clay

d)

Silt

30.

Erica plans to plant a mango seed. Which type of soil can help her to make it grow better?

a)

Sand

b)

Clay

c)

Mud

d)

Loam

31.

Which type of soil can be mixed with cement and used in constructing buildings, road, monuments and many more?

a)

gravel

b)

asphalt

c)

silt

d)

sand

32.

Water that is constantly moving and recycled above, on, and under the Earth is called ___.

a)

evaporation

b)

infiltration

c)

run off

d)

water cycle

33.

What is shown by letter D in the diagram?

a)

runoff

b)

groundwater

c)

melting

d)

vapor

34.

What is it called when plants release water vapor through their leaves?

a)

sublimation

b)

respiration

c)

transpiration

d)

precipitation

35.

Which of the following is an example of precipitation?

a)

sleet

b)

hail

c)

snow

d)

all of the above

36.

Water that falls to the ground from the clouds is ___.

a)

condensation

b)

evaporation

c)

precipitation

d)

transpiration

37.

What is the process called when water vapor turns to liquid water?

a)

evaporation

b)

condensation

c)

precipitation

d)

transpiration

38.

What process is show by letter A in the diagram?

a)

condensation

b)

evaporation

c)

accumulation

d)

precipitation

39.

What do we call water in its gas state?

a)

rain

b)

snow

c)

ice

d)

water vapor

40.

Which part of the water cycle changes liquid water to water vapor?

a)

condensation

b)

evaporation

c)

precipitation

d)

transpiration

41.

During evaporation, water changes from a _________ to a __________.

a)

solid, liquid

b)

gas, liquid

c)

liquid, gas

d)

liquid, solid

42.

What process is shown by letter B in the diagram?

a)

condensation

b)

transpiration

c)

evaporation

d)

precipitation

43.

What is the role of the sun in the water cycle?

a)

provide heat energy for evaporation

b)

provide heat energy for condensation

c)

dry out the soil for runoff to occur

d)

provide thermal energy for accumulation

44.
Forms of precipitation are-
a)
only sleet and snow
b)
rain, sleet, hail, and snow
c)
only dew and rain 
d)
only snow and rain
45.
Water in lakes and rivers that does not contain salt-
a)
recycled water
b)
new water
c)
salt water
d)
fresh water
46.
What is precipitation?
a)
The part of the water cycle when the sun heats up water, turning it from a liquid into water vapor or steam. It rises from the ground into the air.
b)
The part of the water cycle when the water vapor in the air gets cold. The water turns back into a liquid and forms clouds.
c)
The part of the water cycle when clouds get heavy and can no longer hold the liquid water. This causes the water to fall from the sky to the earth as rain, snow, sleet, or hail.
47.
On which kind of day would you expect the most evaporation from the surface of a pond?
a)
cold, rainy
b)
cold, sunny
c)
warm, rainy
d)
warm, sunny
48.
What is water vapor?
a)
Water on the land (geosphere)
b)
Water in the air (atmosphere)
c)
Water in plants
d)
Water in the water (hydrosphere)
49.
Which of these is not an example of precipitation?
a)
rain
b)
clouds
c)
sleet
d)
snow
50.

Which is NOT a precautionary measure against the harmful effects of the sun?

a)

Joseph takes a bath regularly.

b)

Mark do some outdoor activities in a well-ventilated and shaded area.

c)

Jude plays ball between 10:00 am up to 3:00 pm outside their house.

d)

Gabriel drinks at least 8 to 10 glasses of water a day.

51.

What do you call the food-making process of plants?

a)

photosynthesis

b)

reflection

c)

water cycle

d)

conduction

52.

Which is the outer layer of the sun's atmosphere?

a)

solar wind

b)

corona

c)

sunspots

d)

chromosphere

53.

Which layer of the sun is made of hydrogen and helium, about 1500 kilometer- thick?

a)

photosphere

b)

chromosphere

c)

prominences

d)

sunspots

54.

__________________ are darker,cooler areas on the sun's photosphere.

a)

corona

b)

sunspots

c)

flares

d)

solar wind

55.

Which is the largest object in our solar system?

a)

Moon

b)

Mars

c)

Venus

d)

Sun

56.

Who studies the planets and the sun in our own solar system, as well as other stars, solar systems, galaxies, and the whole universe?

a)

Geologist

b)

Paleontologist

c)

Astronomer

d)

Chemist

57.

What is the study of the universe and how it changes with time?

a)

Meteorology

b)

Astronomy

c)

Botany

d)

Zoology

58.

What does the Sun provide for the Earth?

a)

Thermal and Light Energy

b)

Light

c)

Heat

d)

Water

59.

What are stars made of?

a)

hot rocks, like the Sun.

b)

heat and gas, like the Sun.

c)

Ice, like the Sun.

d)

fire, like the Sun.

60.

Without the Sun, Earth would be...

a)

...our planet would move to another Star.

b)

...would be our own Sun.

c)

..would be fine we do not need the sun.

d)

...an icy cold planet, we wouldn't be able to survive.

61.

What is weather?

a)

The amount of moisture in the air

b)

The number of clouds in the sky

c)

The speed of the wind

d)

The state of the atmosphere at any particular time.

62.

Which of the following devices measures air pressure?

a)
b)
c)
d)
63.

Why can't you see the water vapor in the air?

a)

It exists as a clear, colorless gas

b)

It's all been condensed

c)

There is very little of it

d)

It's all far away, in the upper atmosphere

64.

How does air move?

a)

Warm air rises and cool air sinks

b)

Warm air sinks and cool air rises

65.

What is humidity?

a)

the patterns of weather

b)

the amount of water vapor in the air

c)

the amount of water in the air

66.

What is climate?

a)

weather

b)

is the pattern of weather in a place over many years

c)

the temperature

67.

What is a thermometer?

a)

is a tool used to measure the temperature

b)

a tool to measure the weight of an object

c)

a tool we use to measure liquid

68.

What is a barometer?

a)

a tool to help predict the weather

b)

a tool to measure air pressure

c)

a tool used to measure the temperature

69.

An anemometer is a tool to measure

a)

weather

b)

rain

c)

wind speed

70.

A rain gauge measures_______.

a)

water/rain

b)

temperature

c)

wind

71.

This weather instrument is _______.

a)
anemometer
b)

wind sock

c)
wind vane
d)
barometer
72.

Which type of cloud is described as being high and wispy?

a)

cumulus

b)

cirrus

c)

stratus

d)

cumulonimbus

73.

Which type of cloud is low to the ground and covers the sky like a blanket?

a)

cumulus

b)

cirrus

c)

stratus

d)

cumulonimbus

74.

Which type of cloud is white and puffy?

a)

cumulus

b)

cirrus

c)

stratus

d)

cumulonimbus

75.

Which type of cloud is tall and dark?

a)

cumulus

b)

cirrus

c)

stratus

d)

cumulonimbus

76.

They look like giant cotton balls in the sky.

a)

cumulus

b)

cirrus

c)

stratus

d)

cumulonimbus

77.

Clouds form during the process of...

a)

evaporation

b)

condensation

c)

precipitation

d)

runoff

78.

These clouds warn us that a storm is coming?

a)

cumulus

b)

cirrus

c)

stratus

d)

cumulonimbus

79.

These are the lowest-lying cloud type and sometimes appear at the surface in the form of mist or fog.

a)

cumulus

b)

cirrus

c)

stratus

d)

cumulonimbus

80.

Clouds are made up of tiny drops of ____________ or ice.

a)

dust

b)

water

c)

oxygen

d)

cotton

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