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SCIENCE REVISION QUESTIONS

Total questions: 100

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

The circulatory system is responsible for...

a)

getting food into and out of the body and for making use of food to keep the body healthy.

b)

the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.

c)

the intake and exchange of oxygen and carbon dioxide between the body and the environment and including the nasal passages, larynx, trachea, bronchial tubes, and lungs.

2.

Arteries are...

a)

blood vessels responsible for carrying oxygen-rich blood away from the heart to the body.

b)

blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.

3.

Veins are...

a)

two of the body's main type of blood vessels.

b)

blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.

4.

Blood is made up...

a)

by four main components, Plasma, Red Blood Cells, White Blood Cells, and Platelets.

b)

by plasma and platelets.

c)

by red blood cells, white blood cells.

5.

The main organ of the circulatory system is...

a)

veins and arteries.

b)

the heart.

c)

the blood.

6.

The heart is divided in...

a)

three atriums and two ventricles.

b)

right and left atriums and ventricules.

c)

pulmonary veins and aorts.

7.

What is the main function of the circulatory system?

a)

secrete enzymes

b)

digest proteins

c)

produce hormones

d)

transport materials

8.

Which gas is transported by the circulatory system in humans and is used by cells during respiration to release energy stored in food?

a)

carbon dioxide

b)

nitrogen

c)

hydrogen

d)

oxygen

9.

The human body has specialized cells, such as white blood cells, to help protect it from many diseases. Describe what these specialized cells do to protect the body from the disease.

a)

they carry oxygen

b)

they fight and destroy germs

c)

they give blood its color

d)

they clot when we get a cut

10.
What are the main organs of gas exchange in the respiratory system?
a)
diapragm
b)
lungs
c)
trachea
d)
bronchi
11.

The "windpipe" is also called the...

a)

trachea

b)

bronchi

c)

bronchioles

d)

alveoli

12.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
13.
Which body structure protects the lungs from outside harm?
a)
Cartilage
b)
Tiny Sacs
c)
The Rib Cage
14.
The state of matter in which a substance has a definite shape and definite volume.
a)
solid
b)
gas
c)
atom
d)
liquid
15.
The state of matter in which a substance does not have a definite shape or volume.
a)
element
b)
compound
c)
gas
d)
liquid
16.
Materials that can dissolve are called ...
a)
simple
b)
soluble
c)
mixes
d)
liquids
17.

Ice cubes melting into water is an example of

a)

chemical change

b)

physical change

18.

A car rusting is an example of a

a)

physical change.

b)

chemical change.

19.
What is matter?
a)
Anything that has mass and occupies space
b)
Anything that has mass
c)
Anything that is made of air
d)
ALL of them 
20.

Which of the following changes is a physical change of matter?

a)

water evaporating

b)

paper burning

c)

a nail rusting

d)

a silver spoon tarnishing

21.
What are the 3 major types of rocks?
a)
Igneous, Metamorphic, Sedimentary
b)
Metamorphic, Igneous, Cementation
c)
Brown, Red, Gray
d)
Streak, Hardness, Breakage
22.
This rock was formed when molten rock cooled into a solid. What type of rock is it?
a)
Igneous Rock
b)
Metamorphic Rock
c)
Sedimentary Rock
23.

The name of a person that studies rocks and the earth.

a)

veterinarian

b)

geologist

c)

podiatrist

d)

teacher

24.
When you watch a volcano erupt molten rock, you are seeing _____
a)
Lava
b)
Magma
c)
Mineral Crystals
d)
Igneous Rocks
25.
The process when rocks break into smaller pieces due to exposure to natural elements is called
a)
erosion
b)
weathering
c)
sediments
26.
The name rock is given when it is broken down into smaller pieces.
a)
texture
b)
weathering
c)
sediment
d)
erosion
27.
_______ rock forms from magma/lava
a)
Metamorphic
b)
Sedimentary
c)
Igneous
28.

Name of the impression of a plant or animal, in the soil, that existed in the past

a)

diamond

b)

hardness

c)

fossil

29.

A naturally occurring solid mixture of one or more minerals or organic matter

a)

Rock

b)

Mineral

c)

Glass

d)

Gas

30.

Rocks are classified based on

a)

how they form

b)

where they are found

c)

how old they are

d)

none of the above

31.

Marble is a rock formed by heat and pressure. What type of rock is marble?

a)

Igneous

b)

Metamorphic

c)

Sedimentary

32.

A process in which something changes completely is

a)

Deposition

b)

Weathering

c)

Erosion

d)

Metamorphosis

33.

The process that move sediment is

a)

Weathering

b)

Erosion

c)

Deposition

d)

Uplift

34.

Two ways to describe types of igneous rocks are _____

a)

Extrusive and Intrusive

b)

Foliated and Non-Foliated

c)

Clastic and Biochemical

d)

Black and Gray

35.

Several students investigate the characteristics of soil. The students observe samples of common soils. In one sample they observe that water drains through the soil easily. When they rub the soil between their fingers, it feels rough and scratchy, and its particles feel hard. The soil the students observed is most likely —

a)

clay

b)

silt

c)

loam

d)

sand

36.

A student wants to find out which type of soil holds the most water. He uses four identical pots with holes in the bottom. He fills each pot with a different type of soil and waters the pots with the same amount of water. How can he find out how much water stays in the soil in each pot?

a)

By planting seeds and measuring plant growth in each pot

b)

By measuring the amount of water that drains from each pot

c)

By observing which soil looks wettest after the water has been added to the pots

d)

By feeling the soil before and after adding water to each pot.

37.

Which of the following soil types has the largest particles and allows water to flow through it easily?

a)

clay

b)

silt

c)

loam

d)

sand

38.
Many plants cannot grow in sandy soil. Why is this true?
a)
Sandy soil does not hold enough water.
b)
Air cannot pass through sandy soil.
c)
Roots cannot easily push through sandy soil.
d)
Sandy soil has too many nutrients.
39.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
40.
_______ is the type of soil used most often with plants and on farms. It is a mixture of clay, sand, and silt.
a)
loam
b)
humus
c)
soil
d)
dirt
41.

Which property of soil could students determine by rubbing a sample between their fingers?

a)

The texture of the soil

b)

The soil’s ability to support life

c)

The color of the soil

d)

The processes that formed the soil

42.

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.

43.

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

a)

sand

b)

silt

c)

clay

d)

humus

44.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
45.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
46.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
47.
What do Herbivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
48.

What do plants need to make their own food?

a)

Sun, Water, and Animals

b)

Sun, Coke, and Soil

c)

Sun, Water, and Soil

d)

Nothing at all

49.

An example of a predator:

a)

shark

b)

mouse

c)

rabbit

50.

An example of prey:

a)

lion

b)

mouse

c)

shark

51.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
52.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
53.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
54.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
55.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
56.
What is hygiene?
a)
Doing the dab
b)
Practice to maintain health and prevent sickness, through cleanliness
c)
Playing soccer for three days
57.

Wearing this will control sweat and odor under your arms?

a)

SUNSCREEN

b)

MAKE-UP

c)

BATHING SUITS

d)

DEODORANT

58.

Good Personal Hygiene will prevent disease spreading and control bacterial infections

a)

TRUE

b)

FALSE

59.

Good personal hygiene helps to control all of the following EXCEPT:

a)

viruses

b)

germs

c)

bacteria

d)

food poisoning

60.

The types of oral diseases include tooth decay, gingivitis and _________.

a)

cavities

b)

discharge

c)

lice

d)

odor

61.
All energy transformations in an ecosystem begin with
a)
a scavenger
b)
the sun
c)
a decomposer
d)
a herbivore
62.

Birds eat insects off the skin of cows. If the relationship is a type of mutualism, then the organisms that will benefit are

a)

only the cattle

b)

neither the birds or the cattle

c)

both the birds and the cattle

d)

only the birds

63.
Which relationship describes predator/prey
a)
hawks and shrubs
b)
mountain lion and deer
c)
frogs and trees
d)
grasses and crickets
64.

The force that keeps us from floating off into the space is called .................

a)

friction

b)

mass

c)

gravity

d)

tension

65.

The following force will change the shape of the objects, except ...............

a)

pound

b)

bend

c)

stretch

d)

press

66.

When the goalkeeper catch the ball, he .........................

a)

makes the ball move to other direction.

b)

stops the ball from going into the net.

c)

changes its shape.

d)

makes the ball move faster.

67.

An incomplete circuit is shown.

To complete the circuit, a wire should be placed from ..............

a)

Point D to Point C

b)

Point B to Point C

c)

Point A to Point D

d)

Point B to Point D

68.

Jack wants to light a bulb. What does he need to get the bulb to lit?

a)

A battery and a switch

b)

A battery and a wire

c)

A paper clip and a wire

d)

A switch and a wire

69.

A push or a pull that starts, stops or changes the direction of an object is called...................

a)

force

b)

energy

c)

gravity

d)

motion

70.
Mass is measured in
a)
grams
b)
grams and kilograms 
c)
kilograms 
d)
centimetres 
71.

If an object mass =30 kg on the Earth, what would be it's weight on Earth?

a)

30 N

b)

300 kg

c)

3000N

d)

300 N

72.

weight is measured in...

a)

pounds (lb)

b)

grams (g)

c)

newtons (N)

d)

kilograms (kg)

73.

What is the name of this tool?

a)

spring balance / force meter

b)

scale

c)

measuring cylinder

d)

thermometer

74.

What is weight?

a)

the pulling force of gravity on an object

b)

the time it takes to get on a ride

c)

the amount of matter in an object

d)

the size of an object

75.

If the weight of a body on the Earth's surface is 600 N, what would be it's weight in the space?

a)

600 N

b)

less than 600 N

c)

more than 600 N

76.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
77.
Without gravity we would________. 
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know
78.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
79.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
80.
The force of gravity on Jupiter is a little more than 2 times the gravitational force on Earth. If an object has a mass of 50 kg and a weight of 490 N on Earth, what would be the object's approximate mass and weight on Jupiter?
a)
50 kg and 490 N
b)
100 kg and 490 N
c)
50 kg and 980 N
d)
100 kg and 980 N
81.

Why do astronauts feel weightlessness in space?

a)

no contact force

b)

they lose weight

c)

no weight

82.

What is another name of weightlessness?

a)

additional gravity

b)

zero gravity

c)

loss of weight

83.
If Earth's mass was cut in half, what would happen to your weight?
a)
Increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, weight is not affected by gravitational force
84.

When an object is partially or completely immersed in a fluid, it experiences an upthrust force which is equal to the weight of fluid displaced by it

a)

Newton's law

b)

Archimedes Principle

c)

Ibn -e-batuta

d)

Einstein

85.

--------------- force causes water to be displaced or pushed out of the way

a)

Upthrust

b)

Gravitational

c)

Friction

d)

None

86.

Buoyancy is the ability to

a)

Sink

b)

Float

87.
Will the light bulb in this circuit light and why/why not?
a)
yes, because it has two batteries
b)
no, because the switch is open
c)
yes, because it is in a circuit
d)
no, because the bulb is burned out
88.

A cell or battery has _____ ends?

a)

Three

b)

Two

c)

Four

d)

Five

89.

This is the symbol for a_____.

a)

Motor

b)

Wire

c)

Bell

d)

Bulb

90.

This is the symbol for a...

a)

Bulb

b)

Voltmeter

c)

Ammeter

d)

Motor

91.

This is the symbol for a...

a)

Battery

b)

Thermistor

c)

Motor

d)

Fuse

92.

What components are in this schematic diagram?

a)

battery, switch, bulb, wire

b)

switch, switch, bulb

c)

battery, switch, bulb, motor

93.

7. Choose the correct symbol of a wire.

a)
b)
c)
d)
94.

What is the function of a switch in a circuit?

a)

to make the current hotter or colder

b)

to turn on and off the flow of current

c)

to show the pathway that current flows

d)

to add more power to the circuit

95.

An incomplete circuit is shown.

To complete the circuit, a wire should be placed from?

a)

point D to point C

b)

point B to point C

c)

point A to point D

d)

point B to point D

96.

An electric current requires which of the following to flow?

a)

A closed path

b)

A switch

c)

An ammeter

d)

A light bulb

97.

What is the S.I. unit for measuring electric current?

a)

volt

b)

millivolt

c)

ampere

d)

milliampere

98.
a)
Closed switch
b)
Push switch
c)
Trap door
d)
AC Power supply
99.
When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.
a)
parallel
b)
series
c)
open
d)
closed
100.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit

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