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SCIENCE 5 REVIEWER

Total questions: 85

Worksheet time: 1hrs 25mins

Name
Class
Date
1.

The negatively charged particle in an atom is a(n):

a)

Electron

b)

Proton

c)

Neutron

d)

Oligtron

2.

The motion of electrons is called

a)

power

b)

induction

c)

current

d)

amps

3.

A circuit with an open switch has it's switch in the ________ position

a)

On

b)

Off

4.

Materials that do not allow electrons to move are called

a)

conductors

b)

insulators

c)

Ohmmeters

d)

Voltmeters

5.
Like poles of a magnet do what?
a)
repel
b)
attract 
c)
nothing 
6.
What is a wire in a circuit wrapped around an iron core called?
a)
electromagnet
b)
generator
c)
electric motor
7.
Magnetism created by an electric current
a)
electricity
b)
electromagnetism
c)
wind energy
8.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
9.

Where is the strongest force of a magnet present?

a)

the ends

b)

the middle

c)

its equal everywhere

10.

An electromagnet can be found in all of the following except...

a)

car

b)

computer

c)

home outlets

d)

speaker

11.
The growth of plant roots and animal activity may result in ________________.
a)
erosion
b)
mechanical weathering
c)
chemical weathering
d)
abrasion
12.
The definition of weathering is _______________________.
a)
the carrying away of rock
b)
the leaching of rock
c)
the breaking down of rock
d)
the permeability of rock
13.
What kind of weathering causes the mineral composition of rock to change?
a)
mechanical weathering
b)
permeable weathering
c)
chemical weathering
d)
general weathering
14.
Mechanical weathering is the removal of rock particles by gravity, wind, water, and ice.
a)
true
b)
false
15.
In the fall, Winston noticed a small crack on a boulder where he played in his backyard. The following spring, he saw that the small crack was much larger than he remembered. What most likely caused the change?
a)
gravity had caused the rock to shift
b)
acid rain had caused the crack to erode
c)
winds had caused the rock to break down
d)
water had frozen and thawed inside the rocks
16.
What is the relationship between wind erosion and plant cover?
a)
More plants means less erosion
b)
More plants means more erosion
c)
There is no relationship
d)
Less plant cover means less erosion
17.
When rocks are broken down into smaller pieces
a)
erosion
b)
weathering
c)
sediment
18.
When water, ice and wind move particles of rock and soil from one place to another
a)
sediment
b)
weathering
c)
erosion
19.
Erosion caused by _______________ changes beaches and lakes
a)
glaciers
b)
ice
c)
waves
20.
Earth's surface features are continually changing... this is due to
a)
wearing away of the surface
b)
building up of the surface
c)
Both wearing away and building up
21.
Sand dunes normally shift position through the action of
a)
Wind
b)
Rivers
c)
Earthquakes
22.
Rain washing away soil from a hillside
a)
Weathering
b)
Erosion
23.
Wind blowing sand from one location to another
a)
Weathering
b)
Erosion
24.
How does freezing water cause the weathering of rocks?  The freezing water—
a)
keeps the rocks in place
b)
makes the rocks last longer
c)
expands cracks and breaks rocks
d)
causes rocks to fall in landslides
25.
These rocks were broken apart from the continuous freeze/thaw of water in the cracks of the rocks. This is an example of:
a)
ice wedging
b)
acid rain
c)
permeability
d)
abrasion
26.
Water getting into cracks, freezing, and breaking the rocks or pavement apart
a)
Weathering
b)
Erosion
27.
"Mountains are constantly being washed into the sea" ... this statement refers to the effects of
a)
Weathering and erosion
b)
Folding and faulting
c)
Fossil formation
28.

It is allowing plants to grow naturally without human interference.

a)

strip cropping

b)

crop rotation

c)

natural vegetation

29.

What kind of ways to control soil erosion instead of plowing up and down, farmers flow across the slope to form ridges

a)

contour plowing

b)

rip rapping

c)

strip cropping

30.

It is the method of alternately planting different crops in strips.

a)

rip rapping

b)

strip cropping

c)

terracing

31.

It involves planting on terraces or steps built on the slopes of mountainside.

a)

windbreaks

b)

canopy

c)

terracing

32.

it refers to planting crops in a different spot each year.

a)

crop rotation

b)

natural vegetation

c)

rip rapping

33.

What is typhoon?

a)

Heavy rains in the southern region.

b)

Fair weather that occurs in a long period of time.

c)

Short period of rain and thunderstorm during the day.

d)

Weather disturbance with strong winds and abundant rain.

34.

Which of the following is NOT associated with typhoons?

a)

storm surge

b)

earthquake

c)

flash flood

d)

strong winds

35.

What happens to tropical cyclones when they make landfall?

a)

A. They lose strength.

b)

B. They increase strength.

c)

C. They maintain strength.

d)

D. The air rotates in a different direction.

36.

What kind of weather disturbance refers to a funnel-shaped low-pressure air mass that originates from the land and occasionally develops when there is a thunderstorm?

a)

A. thunderstorms

b)

B. tornado

c)

C. tropical storm

d)

D. typhoon

37.

Which statement describes weather?

a)

.It is the amount of water vapor in the atmosphere.

b)

It is the condition of the atmosphere at a given time.

c)

It is the freezing of water in the atmosphere.

d)

It is the blowing of cold air in land during the day.

38.

It is a weather disturbance near the equator where the trade winds of the Northern and Southern Hemispheres come together.

a)

trade winds

b)

northeast monsoon (hanging amihan)

c)

southwest monsoon (hanging habagat)

d)

Intertropical Convergence Zone (ITCZ)

39.

For a cyclone to develop it needs a large amount of water vapor. Where does the development of cyclones happen?

a)

above clouds

b)

above the ocean

c)

near the mountain

d)

above the continent

40.

How are tropical cyclones classified?

a)

According to its origin

b)

According to its wind speed

c)

According to the wind system

d)

According to the amount of rainfall

41.

Typhoon signal no. 5 has winds of more than 220 kph and may cause widespread damage to community. This weather disturbance is considered as ____.

a)

tornado

b)

storm surge

c)

Intense rainfall

d)

super typhoon

42.

Which agency is responsible for giving weather reports, updates, and warning signals to the public?

a)

Department of Health

b)

GMA Weather News and Updates

c)

Philippine Atmospheric Geophysical and Astronomical Services Administration

d)

Philippine Atmospherical Geophysical and Astronomical Storm Administration

43.

Scientist who study weather, refer to fair and calm weather as the normal weather occurrence

(a)  

44.

Disruption in the steady-state of the atmosphere

(a)  

45.

Sudden spark or energy discharge produced as the electrical charges jump among the clouds

(a)  

46.

Meaning of ITCZ

4 lines
47.

Meaning of PAGASA

4 lines
48.

What kind of weather disturbance is formed over the Northwest Pacific Ocean?

a)

Storm

b)

Hurricane

c)

Typhoon

d)

Tornado

49.

Which of the following weather disturbances brings strong wind, heavy rains and flood to the Philippines?

a)

Cyclones

b)

Typhoons

c)

Wind

d)

Hurricanes

50.

Where do most tropical typhoon originate?

a)

Over hot plains

b)

Over warm oceans

c)

In warm countries

d)

In hot mountains

51.

Examine your house and repair if there are unstable parts.

a)

Before the typhoon

b)

During the typhoon

c)

After the typhoon

52.

Repair all damages in your house. Clean your house and your surroundings well.

a)

Before the typhoon

b)

During the typhoon

c)

After the typhoon

53.

Do not wade through flood waters to avoid contracting diseases.

a)

Before the typhoon

b)

During the typhoon

c)

After the typhoon

54.

Stay inside your house or building.

a)

Before the typhoon

b)

During the typhoon

c)

After the typhoon

55.

Secure domesticated animals in a safe place.

a)

Before the typhoon

b)

During the typhoon

c)

After the typhoon

56.

It brings heavy rains and can induce flooding and landslide in various areas.

a)

Storm Surge

b)

Intense winds

c)

intermittent rain

d)

torrential rain

57.

Affected families can be stressed and traumatized especially chilfren during a tropical cyclone

a)

Social

b)

Economic

c)

Environmental

d)

Political

58.

Agricultural areas such as farms can be destroyed. Price of commodities and products may increase.

a)

Social

b)

Economic

c)

Environmental

d)

Political

59.

1. Which structure of tropical cyclone is strongest?

a)

EYE

b)

EYEWALL

c)

FRONT

d)

RAINBANDS

60.

3. Which of the following is NOT true about tropical cyclone?

a)

High pressure occurs when air is cool

b)

Low pressure occurs at a place which is warm

c)

Wind blows from the areas of low pressure to the area of high pressure

d)

Wind blows from the areas of high pressure to the area of low pressure.

61.
What moon phase is this? 
a)
waxing crescent
b)
waxing gibbous
c)
waning crescent
d)
waning gibbous
62.
What moon phase is this? 
a)
waxing crescent
b)
waxing gibbous
c)
waning crescent
d)
waning gibbous
63.
What moon phase is this? 
a)
new moon 
b)
full moon
c)
waxing crescent
d)
waning crescent
64.
What moon phase is this? 
a)
first quarter
b)
third quarter
c)
waxing crescent
d)
waning crescent
65.
What moon phase is this? 
a)
new moon
b)
full moon
c)
waxing crescent
d)
waning crescent
66.
What does "waxing" mean?
a)
growing
b)
shrinking
c)
lighted
d)
dark
67.
What does "waning" mean? 
a)
growing
b)
shrinking
c)
lighted
d)
dark
68.
People from Earth have traveled to the Moon.
a)
True
b)
False
69.
How many phases of the moon are there?
a)
eight
b)
four
c)
ten
70.
The Moon gets its light from the
a)
Earth
b)
Stars
c)
Sun
71.
Is the Moon bigger or small than the Earth?
a)
Bigger
b)
Smaller
c)
The same
72.
About how long does it take the Moon to complete it's cycle?
a)
1 week
b)
1 month
c)
1 year
73.
Define Full Moon
a)
None of moon is visible
b)
Half moon phase is visible
c)
Complete�moon face�is visible
d)
Less Than half of moon is visible�
74.
Define Quarter Moon
a)
None of moon visible
b)
Less than Half the moon is visible
c)
More than half of moon is visible
d)
Half of the moon is visible
75.
How long does it take for the Earth to spin on its axis?
a)
It doesn't spin
b)
24 hours
c)
365 days
d)
3651/4 days
76.

HOW MANY CONSTELLATION ARE THERE IN THE SKY ?

a)

89

b)

88

c)

87

d)

81

77.

URSA MAJOR IS ALSO CALLED "GREAT BEAR" AND IS ONE OF THE LARGEST CONSTELLATION.

a)

TRUE

b)

FALSE

78.

URSA MINOR MEAN "LITTLE BEAR" IN LATIN AND IS COMMONLY KNOWN AS THE BIG DIPPER.

a)

TRUE

b)

FALSE

79.

What is the name of this constellation?

a)

Big dipper

b)

Orion

c)

Southern Cross

d)

Scorpion

80.

What is the name of this constellation?

a)

Southern Cross

b)

Big dipper

c)

Orion

d)

Scorpion

e)

Scorpio

81.

A constellation is a group of visible ____ that form a pattern when viewed from Earth.

a)

stars

b)

planets

c)

patterns

82.

How are constellations useful?

a)

To help locate stars

b)

To keep track of the calendar

c)

To navigate

d)

All of the above

83.

Why don't we see a lot of stars in the daytime?

a)

They are covered up by the clouds.

b)

They are very far away from earth.

c)

The sun blocks out the other stars.

d)

The sun's brightness overwhelms the brightness of the stars.

84.
What temperature color is our sun?
a)
Blue
b)
Red
c)
Orange
d)
Yellow
85.

What are stars made of?

a)

helium

b)

hydrogen

c)

oxygen

d)

carbon

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