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Science 6 C3&C4 LT2 S1

Total questions: 130

Worksheet time: 3hrs 11mins

Name
Class
Date
1.

Particles that behave like living things when they get inside the body of a host are ...

a)
bacteria
b)

viruses

c)
a fungi
d)

vectors

2.

A host is:

a)

A plant or animal in which pathogens grow.

b)

Living things that live on inside the body.

c)

An animal that transmits a pathogen

d)

A microorganism that has been transmitted

3.

A microbe that lives in or on another organism of another species (its host) and benefits by taking nutrients from the host. Examples include head lice and tapeworms.

a)

Bacteria

b)

Virus

c)

Parasite

d)

Fungi

4.

Infectious diseases are caused by:

a)

Antibodies

b)

Biceps

c)

Neurons

d)

Pathogens

5.

Living things that live in the soil, water, and inside the plants and animals.

a)

liverwarts

b)

Slime molds

c)

Bacteria

d)

Amoebas

6.

How can the rate of an infectious disease be drastically reduced?

a)

by taking medication daily

b)

by preventing transmission between people

c)

by wearing clean clothing daily

d)

by performing dental hygiene three times each day

7.

Diseases caused by insect bites are ....

a)

pnemonia and flu

b)

Measles and mumps

c)

Malaria and yellow fever

d)

TBC and E.coli

8.

Name some common types of pathogens

a)

Virus, Bacteria, Fungi

b)

Virus, Sugar, Bacteria

c)

Bacteria, Amino Acids

d)

Dogs, Bacteria

9.

What tool provided the evidence to be able to formulate the germ theory and study diseases?

a)

Telescope

b)

Microscope

c)

Drill

d)

Hammer

10.

What is the main difference between viruses and bacteria?



a)

Viruses can only cause diseases, while bacteria can have beneficial effects

b)

Viruses are living organisms, while bacteria are not

c)

Viruses can only reproduce inside host cells, while bacteria can reproduce on their own

d)

Viruses are larger than bacteria

11.

What are disease causing agents?

a)

pathogens

b)

antibodies

c)

microbes

d)

bacteria

12.
________ is a disease that can be passed to a person from another person, animal or object.
a)
Non-communicable disase
b)
Communicable Disease
c)
Pathogens
13.
A doctor would most likely prescribe an antibiotic to treat what type of pathogen?
a)
Fungi
b)
Helminth
c)
Virus
d)
Bacteria
14.
The __________ period is how long the disease can spread from one person to another.
a)
Sickness
b)
Bed rest
c)
Contagious
15.
Athlete's foot is an example of this pathogen
a)
Bacteria
b)
Virus
c)
Fungus
d)
Protozoan
16.
 is the body's defense against infectious organisms and other invaders. 
a)
respiratory system
b)
endocrine system
c)
immune system
d)
circulatory system
17.
What pathogen causes influenza (the Flu)
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Fungi
18.
The best way to avoid the flu is to:
a)
Take antibiotics prior to getting sick
b)
Wash your hands frequently
c)
Avoid Sick people
d)
Wear a mask everywhere
19.

Mosquitoes are ………. that can carry parasites/ bacteria from one host to another. Find the correct word to fill in the blank. 

a)

bacteria

b)

vectors

c)

parasites

d)

fungi

20.

The spread of a disease from one host to another is known as ......

a)

mechanism

b)

transfusion

c)

transmission

d)

pathogen

21.

Which disease caused by virus?

a)

tuberculosis

b)

nail infection

c)

throat sore

d)

chicken pox

22.

Which disease caused by parasite?

a)

throat infection

b)

pneumonia

c)

nail infection

d)

malaria

23.
Which of the followig only applies to Bacteria
a)
Nonliving
b)
Requires Host cell to replicate
c)
Eukaryotic
d)
Unicellular
24.
Which of the following is the correct shape for bacteria imaged here? 
a)
bacillus
b)
coccus
c)
sprial
25.

Diseases that are not spread from person to person are called this.

a)

communicable

b)

contagious

c)

susceptible

d)

non-communicable

26.

This is a treatment that makes the body stronger against infections and diseases.

a)

host

b)

microbe

c)

vaccine

d)

pathogen

27.

When sugar dissolves in water a ______________ change occurs.

a)

Physical change

b)

Chemical Change

28.

Cracking an egg is a ________________ change.

a)

Physical Change

b)

Chemical Change

29.

Burning Sugar is an example of a ________________ change.

a)

Physical Change

b)

Chemical Change

30.
Which example best describes a physical change?
a)
iron rusting
b)
charcoal burning
c)
an ice cube melting
d)
a marshmallow burning
31.
freezing chocolate covered bananas
a)
physical change
b)
chemical change
32.
Ripping up paper ...
a)
Chemical Change
b)
Physical Change
33.
Evidence of a physical change.
a)
New substance
b)
Shape Change
c)
Light produced
d)
Gas released.
34.
Melting a chocolate bar?
a)
Physical Change
b)
Chemical Change 
35.

All the substances that make up everything in the universe are forms of...

a)
energy
b)
spirit
c)
thought
d)
matter
36.

Organize these options into the right categories

Categorize the following

ice melting

cutting paper

chopping wood

Adding salt to water

Burning wood

Cooking an egg

Rust on a bike

Baking a cake

Water boiling

Cutting a sandwich

Fireworks

Explosion

Physical Change
Chemical Change
37.

This occurs when a gas changes directly to a solid.

a)

boiling point

b)

melting

c)

deposition

38.

Becca breaks Truett's pencil. What type of change has occurred?

a)

physical

b)

chemical

c)

property

39.
Ice turns into water then steam.  This is an example of 
a)
plasma
b)
production
c)
physical change
d)
chemical change
40.

When matter goes from liquid to solid, that's called...

a)

Freezing

b)

Melting

c)

Evaporation

d)

Condensation

41.

What state of matter is this?

a)

Solid

b)

Liquid

c)

Gas

42.

What state of matter is this?

a)

Solid

b)

Liquid

c)

Gas

43.

What state of matter is this?

a)

Solid

b)

Liquid

c)

Gas

44.

When matter changes state, does the weight change?

a)

Yes, it gets lighter

b)

Yes, it gets heavier

c)

No, it does not change!

45.
The state that matter exists in depends on its 
a)
volume 
b)
weight
c)
temperature 
d)
mass
46.
What happens when my glass of water is sitting in the sun and disappears into a gas?
a)
evaporation
b)
burning
c)
melting
d)
freezing
47.

Which of the following is a physical change?

a)

 Iron is oxidized to iron oxide

b)

Aluminum metal is pounded into thin sheets

c)

Copper reacts with a strong acid

d)

Sodium metal explodes on contact with water

48.

Properties that describe how a substance looks, feels, state of matter, etc., are?

a)

Chemical Properties

b)

Physical Properties

49.

Which of the following is an example of a physical change?

a)

Baking a birthday cake

b)

A glass falling and shattering on the floor

c)

Burning a piece of paper

d)

Baking soda and vinegar mixing together

50.

Which type of change is most often easily reversed?

a)

Chemical

b)

Physical

c)

Both

51.

Why is the picture an example of a physical change?

a)

The pencil can be no longer used

b)

The pencil is a different size

c)

The materials making up the pencil did not change

d)

The materials making up the pencil are different

52.

Which of the following examples provides evidence of a PHYSICAL change?

a)

Wood is burned and releases ash and smoke

b)

Iron rusts over time

c)

When mixed, baking soda and vinegar form gas bubbles

d)

A piece of paper changes shape when you rip it up

53.

Which of the following is NOT an example of a physical change?

a)

Crumpling paper

b)

Sharpening a pencil

c)

Clothes shrinking in the dryer

d)

Milk turning sour

54.

Something that can be observed or measured WITHOUT physically changing the substance

a)

Chemical Property

b)

Address Property

c)

Physical Property

d)

Stolen Property

55.

The amount of space an object takes up is ________________.

a)

music

b)

matter

c)

volume

d)

space

56.

Temperature when a liquid turns into a gas

a)

Turning Point

b)

On Point

c)

Boiling Point

d)

No Point

57.

Temperature with a solid turns into a liquid

a)

Boiling Point

b)

Sharp Point

c)

Melting Point

d)

On Point

58.

Temperature when a liquid turns into a solid

a)

Freezing Point

b)

Point Break

c)

Melting Point

d)

Boiling Point

59.

Temperature when a liquid turns into a solid

a)

Freezing Point

b)

Point Break

c)

Melting Point

d)

Boiling Point

60.

A property that describes a substance by itself; such as color, shape, density, or hardness is a/an ___________________.

a)

physical property

b)

chemical property

c)

both physical and chemical properties

d)

not useful

61.

Organisms that cause diseases are called?

a)

Pathogens

b)

Hosts

c)

Phagocytes

d)

Toxins

62.

Cancer, hypertension, and asthma are examples of non-communicable diseases.

a)

True

b)

False

63.

Which pathogen causes Ringworm?

a)

Bacteria

b)

Virus

c)

Protist

d)

Fungi

64.

Which disease is contagious?

a)

Diabetes

b)

Heart disease

c)

Tuberculosis

d)

Scurvy

65.

All microoganisms can cause diseases.

a)

True

b)

False

66.

Pathogens can be spread through contaminated food and water.

a)

True

b)

False

67.

All of the following is an example of Indirect Contact and spreading Pathogens except:

a)

Touching a door knob

b)

Through the air

c)

Giving some one a hug

d)

Touching a desk

68.

Which of the following is not a type of pathogen?

a)

Bacteria

b)

Fungi

c)

Protozoa

d)

Virus

e)

Your Pet

69.

How long should you wash your hands with soap and warm water for?

a)

5 seconds

b)

20 seconds

c)

30 seconds

d)

1 minute

70.

How long are you contagious for when you have a communicable disease?

a)

1 day

b)

3 days

c)

14 days

d)

It depends on the communicable disease

71.

Animals and insects can spread pathogens and communicable diseases.

a)

True

b)

False

72.

An example of a communicable disease is..

a)

measles

b)

coronavirus

c)

chicken pox

d)

all of the above

73.

An example of a non-communicable disease is...

a)

asthma

b)

flu

c)

coronavirus

d)

measles

74.

Pathogens are...

a)

germs

b)

bacteria

c)

microorganisms that cause disease

d)

fungi

75.

A medicine that can give you immunity to a disease is called a __________.

a)

antibodies

b)

vaccine

c)

pathogen

d)

white blood cell

76.

__________ is the rapid growth of pathogens in the body.

a)

immunity

b)

infection

c)

bacteria

d)

immune system

77.

Fever is an example of a _________, or a sign that you aren't feeling well.

a)

ache

b)

heredity

c)

symptom

d)

sign

78.

Any disturbance in the working of the body is called ______________

a)

disease

b)

hygiene

c)

pathogen

79.

Rabies is a communicable disease.

a)

true

b)

false

80.

Corona is an example for non-communicable disease.

a)

true

b)

false

81.

A poison produced by bacteria that damages cells:

a)

Antibiotic

b)

Vaccine

c)

Antigen

d)

Toxins

82.

What is a function of the IMMUNE system?

a)

To transport materials like oxygen to our cells

b)

To break down food and absorb the nutrients

c)

To fight off diseases with white blood cells

d)

To control the body using the brain

83.

A chemical that kills bacteria or slows their growth is called:

a)

Antivirals

b)

Vaccine

c)

Antibiotics

d)

Antigen

84.

The body's ability to destroy pathogens before they can cause disease is called:

a)

Tolerance

b)

Immunity

c)

Vaccine

d)

Inflammatory response

85.

Infectious disease are spread by (i)__________ , transmitted by infected person called (ii) ______________.

a)

pathogens, vector

b)

vector, pathogens

c)

pathogen, host

d)

host, medium

86.

What happen to the host when infected by pathogens?

a)

show symptom of the disease like cough, fever, cold etc.

b)

gain extra energy and power

c)

do not show any sign of body deterioration

87.

Based on the image, what is the true reason people need to wear that type of face mask.

a)

wear by healthy person to protect from sick person.

b)

to cover nose and mouth of sick person so that they cannot infect others

c)

To filter small particle or smoke and dust from entering mouth

88.

Sars-Cov2 virus that lead to Covid19 disease is example of (i)___________ disease that transmitted through (ii)_________ transmission.

a)

(i) waterborne (ii) water

b)

(i) touch (ii) parasite

c)

(i) airborne (ii) droplet

89.

Airborne disease can be prevented by practising the following, except

a)

cover nose and mouth when sneezing or cough.

b)

wash your hand with water only

c)

avoid being in crowded places

d)

avoid handshake

90.

The following skin disease can be prevented by...

a)

Share and exchange cloth among friends

b)

practice proper hygiene like showering.

c)

eat and maintain proper and balance food.

91.

Animal that transmit pathogen from one host to another is called __________

a)

species

b)

vector

c)

predator

d)

prey

92.

Measles, chicken pox, influenza is an examples of infectious diseases, yes or no.

a)

Yes

b)

No

93.

Which of the following is an infectious diseases ?

a)

Cancer

b)

Diabetes

c)

Flu

d)

Asthma

94.

Which practice prevents the spread of germs?

a)

Blowing your Nose

b)

Reusing the same Tissue

c)

Washing your Hands Often

d)

Coughing into your Hand

95.

Covid-19 is an example of...

a)

Virus

b)

Bacteria

c)

Fungus

96.

If a person eats food containing tapeworm eggs, tapeworms can enter the intestines. Which type of organism is a tapeworm?

a)

Bacteria

b)

Parasite

c)

Fungi

d)

Virus

97.

Which of these problems was NOT caused by a pathogen?

a)

Shortness of breath from smoking cigarettes

b)

Diarrhea from eating raw meat

c)

A skin rash after swimming in a dirty pond

d)

Coughing, fever, and runny nose after caring for a sick family member

98.
What pathogen causes influenza (the Flu)
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Fungi
99.

A reaction in the body to a foreign substance, such as pollen, bee venom, or pet dander.

a)

Common Cold

b)

Heart Disease

c)

Asthma

d)

Allergies

100.

This is the vector for...

a)

zika virus

b)

dengue virus

c)

covid virus

d)

common cold virus

101.

When matter goes from liquid to solid, that's called...

a)

Freezing

b)

Melting

c)

Evaporation

d)

Condensation

102.

When matter goes from solid to a liquid, that's called...

a)

Freezing

b)

Melting

c)

Evaporation

d)

Condensation

103.
What happens when my glass of water is sitting in the sun and disappears into a gas?
a)
evaporation
b)
burning
c)
melting
d)
freezing
104.

This is anything that has mass and takes up space

a)

Matter

b)

Compound

c)

Mixture

d)

Element

105.

A characteristic of a substance that can be observed without changing it into another substance.

a)

Chemical Properties

b)

Mixture

c)

Physical Properties

d)

Molecule

106.

State of matter with definite volume & shape

a)

solid

b)

liquid

c)

gas

d)

plasma

107.

When an object goes from a LIQUID to a GAS:

a)

Melting

b)

Freezing

c)

Vaporization

d)

Condensation

108.

Solid, Liquid, Gas, Plasma

a)

Law of Conservation of Matter

b)

Law of Conservation of Mass

c)

States of Matter

109.
As particles are exposed to warmer temperatures they __________
a)
speed up
b)
slow down
c)
stay the same
d)
vibrate
110.
As particles are exposed to colder temperatures they _____
a)
speed up
b)
slow down
c)
stay the same
d)
become ions
111.
What is the change of state from a solid straight to a gas called?
a)
melting
b)
evaporating
c)
freezing
d)
sublimation
112.
Number 2 represents a ________
a)
solid
b)
liquid
c)
gas
d)
plasma
113.

What is state of this shape?

a)

liquid

b)

gas

c)

solid

114.

Which of the following is a correct description for solids?

a)

closely arranged and in fixed positions

b)

closely arranged and vibrate in fixed positions

c)

closely arranged and can move around

115.

Which statement about the molecules in the gas carbon dioxide is correct?

a)

The molecules are close together.

b)

The molecules are diatomic.

c)

The molecules move randomly.

d)

The molecules all move with the same speed.

116.

In which state of matter will there be the LARGEST space between molecules?

a)

Solid

b)

Liquid

c)

Gas

117.
a)

Solid

b)

Liquid

c)

Gass

118.
What state of matter is milk?
a)
Solid
b)
Liquid
c)
Gas
119.

All particles in a PURE SUBSTANCE are _________________

a)

the same

b)

different

120.

Particles at a higher temperature, move _____________ than those at a lower temperature.

a)

faster

b)

slower

121.

Which image shows particles in a solid?

a)
b)
c)
122.

Which image shows particles in a liquid?

a)
b)
c)
123.

Which of the following statements about the particle of a gas is true?

a)

The particles of a gas vibrate and are packed closely together.

b)

The particles of a gas are far apart and move in all directions.

c)

The particles of a gas do not move.

124.

When we add heat to particles, we are adding:

a)

Electricity

b)

Energy

c)

More Particles

125.

When something goes from gas to liquid, it is called...

a)

Evaporation

b)

Condensation

c)

Deposition

d)

Freezing

126.
An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon?
a)
The particles move more slowly and become closer together.
b)
The particles move more slowly and become further apart.
c)
The particles move faster and become closer together.
d)
The particles move faster and become further apart. 
127.

What is the change of state that occurs when water at 10o C is heated 50o C ?

a)

ice changes to water

b)

water changes to ice

c)

steam changes to water

d)

water changes to water vapor

128.

During the process of sublimation

a)

a solid turns directly into a gas

b)

a liquid turns to a gas

c)

a solid turns into a liquid

d)

a gas turns directly into a solid

129.

Freezing is a heat ____________ process.

a)

loss

b)

lose

c)

lost

d)

gain

130.

Melting is a heat __________ process.

a)

loss

b)

lose

c)

lost

d)

gain

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