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Science Form 2

Total questions: 65

Worksheet time: 2hrs 36mins

Name
Class
Date
1.

Biodiversity is the diversity of organisms whether microorganisms,animals or plants

a)

True

b)

False

2.

What kind of vertebrates on pictures shows

a)

Fish

b)

Mammals

c)

Reptiles

d)

Amphibians

3.

Which of the following is tertiary consumer

a)

Lion

b)

Sun

c)

Plant

d)

Deer

4.

What are factors that influence size in an ecosystem

a)

Source of food

b)

Change of whether

c)

Migration

d)

Change in population size

5.

Which classes of food helps to growth and repair damaged tissues

a)

Fat

b)

Fibre

c)

Protein

d)

Carbohydrate

6.

What are the importance on vitamin c

(a)  

7.

During electrolysis oxygen gas is produced....and hydrogen gas is produced....

a)

Anod,cathod

b)

Anode,cathod

c)

Anode,cathode

d)

Anoded,cathode

8.

Factors affect the rate of evaporation of water except,

a)

Movement of land

b)

Humility

c)

Exposed surface area of water

d)

Surrounding temperature

9.
Which of the following is NOT a property of an acid?
a)
Tastes sour
b)
Corrosive
c)
Changes the colour of blue litmus paper to red
d)
Has a pH value higher than 7
10.
Which of the following is NOT a property of an alkali?
a)
Tastes bitter
b)
Corrosive
c)
Changes the colour of blue litmus paper to red
d)
Has a pH value higher than 7
11.

Complete the word equation for neuralisation reaction.


Acid + Alkali --> _______ + _________

a)

sugar.....water

b)

salt......water

c)

salt......vinegar

d)

vinegar.....salt

12.

Hydrochloric acid + Potassium hydroxide --> _______ + Water

a)

Calcium Sulphate

b)

Sodium Chloride

c)

Potassium Chloride

d)

Sodium Hydroxide

13.

Name the method used to carry out neutralisation reaction

a)

Titration

b)

Condensation

c)

Transpiration

d)

Distillation

14.

Which of the following is disease that is not infectious?

a)

Tinea

b)

Tuberculosis

c)

Dengue fever

d)

cancer

15.

" The organisms that can cause disease' is called _______

a)

bacteria

b)

pathogen

c)

probiotic

d)

biosome

16.

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

17.
What gas is released when an acid reacts with an reactive metal?
a)
Oxygen
b)
Hydrogen
c)
Helium
d)
Bromine
18.
What is the pH value of pure water?
a)
7
b)
14
c)
4
d)
8
19.
What type of acid can be found in carbonated drinks?
a)
Carbonic acid
b)
Tartaric acid
c)
Citric acid
d)
Sulphuric acid
20.
What is the salt formed when hydrochloric acid is added to sodium hydroxide?
a)
Potassium nitrate
b)
Sodium nitrate
c)
Sodium chloride
d)
Potassium chloride
21.

During a hot and sunny day, what colour of shirt is suitable for you to wear?

a)

Black

b)

White

c)

Any colour will be fine

22.

Every object when it is placed on a surface the object is acted by a reaction force to support the weight from the surface called ________________________

a)

reaction force

b)

pull force

c)

normal force

d)

weight force

23.

A force acting on an object can rotate the object at a fixed point (pivot or fulcrum). The turning effect is called the ____________________________________.

a)

turning force

b)

moment of force

c)

lever second class

24.

What is the value of the moment of force

a)

10Nm

b)

20Nm

c)

30Nm

d)

40Nm

25.

When the air temperature in a closed container

increases, the air particles move faster. This causes the air particles to collide with the walls of the container _________________________________ with a greater force.

a)

less frequently

b)

more frequently

c)

decreases

26.

"Cholera, Typhoid, Amoebic dysentery"

is the common disease that transmitted through _____

a)

air

b)

touch

c)

vector

d)

water

27.
_____________ is the highness or lowness of a sound.
(Hint: Think about our sound song.)
a)
Amplitude
b)
Pitch
c)
Volume
d)
Vibration
28.
Sound waves travel the SLOWEST through _____________.
a)
gases
b)
solids
c)
liquids
29.

Which activity to show that air exerts pressure?

a)
b)
c)
d)
30.

The diagram shows the arrangement of four identical 2 Ω resistors in a circuit. What is the effective resistance of the resistors?

a)

0.8 Ω

b)

1.0 Ω

c)

1.2 Ω

d)

1.4 Ω

31.

The __________ states that the current passing through a conductor is directly proportional to the potential difference across the conductor.

a)

Boyle’s Law

b)

Newton’s First Law

c)

Ohm’s Law

d)

Newton’s Second and Third Law

32.

The diagram shows an electromagnet. Which of the following can increase the strength of the magnetic field?

I. increasing the number of turns of the coil

II. increasing the resistance of the rheostat

III. increasing the current flow in the circuit

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II, and III

33.
What type of energy is stored in an object that is compressed, stretched or bent?
a)
Gravitational potential energy
b)
Elastic potential energy
c)
Kinetic energy
d)
Electrical energy
34.
What instrument can be used to detect electrostatic charges?
a)
Electroscope
b)
Telescope
c)
Microscope
d)
Periscope
35.
Which of the following statements about charges is TRUE?
a)
Same charges repel while opposite charges attract
b)
Same charges repel and opposite charges also repel
c)
Same charges attract and opposite charges also attract
d)
Same charges attract while opposite charges repel
36.
What is the result of the force of attraction that exists between the positive charges on the ground and the negative charges in the clouds?
a)
Lightning
b)
Thunder
c)
Whirlpool
d)
Cyclone
37.

what is the unit for energy?

a)

newton (N)

b)

joule (J)

c)

Watt

38.

What happened when an object is heated ?

a)

The object expands

b)

The object contracts

39.

What happened when liquid is cooled ?

a)

The liquid expands

b)

The liquid contracts

40.

Which of these is the best heat conductor?

a)
b)
c)
d)
41.

Which of these is the best heat insulator?

a)
b)
c)
d)
42.
The Milky Way Galaxy is most likely 
a)
an irregular galaxy
b)
a spiral galaxy
c)
an elliptical galaxy
d)
a nebula
43.
A student notices that the moon looks larger than the stars.  Why?
a)
The moon is reflecting light from the sun
b)
The moon is closer to Earth then the stars
c)
The moon is much larger than the stars
d)
The moon is much larger than Earth
44.
What color are the hottest stars?
a)
red
b)
yellow
c)
orange
d)
blue
45.
Which planet is between Mercury and Earth?
a)
Mars
b)
Uranus
c)
Venus
d)
the Moon
46.
Which planet is the largest?
a)
Earth
b)
Jupiter
c)
Neptune
d)
the Sun
47.

Choose the planet in our solar system that rotates on its side.

a)

Jupiter

b)

Neptune

c)

Uranus

d)

Earth

48.

Which unit of measurement is used to measure distances within our solar system?

a)

inches

b)

kilometers

c)

miles

d)

Astronomical units

49.

What unit of measurement is used to calculate distance in our universe?

a)

astronomical units

b)

kilometers

c)

light years

d)

parsecs

50.

When an object that is less dense than a liquid

is pushed into the liquid, the buoyant force

(upthrust force, F) is ______________ than weight (W).

a)

less

b)

more

c)

equal

51.

Due to the differences in temperature and

concentration of salt, the density of sea water is

different in different parts of the world. ______________ lines will help to determine the safe level for a ship to stay afloat.

a)

Plumsoll

b)

Plimmsil

c)

Plimsoil

d)

Soilplim

52.

Based on the diagram the lever system is the ____________________________

a)

first class lever system

b)

second class lever system

c)

third class lever system

53.
a)

first class lever system

b)

second class lever system

c)

third class lever system

54.
Objects made of ice, gas and dust and orbit our sun are called:
a)
Asteroids
b)
Comets
c)
Meteroids
d)
Meteors
55.
Asteroids "hang out" in our solar system in a place called:
a)
The Kupier Belt
b)
The Oort Cloud
c)
The Planetary Rings
d)
The Asteroid Belt
56.
What is a meteor called when it's in space?
a)
meteroid
b)
meteor
c)
meteorite
57.
Which space object is larger?
a)
Asteroid
b)
Meteor
c)
Meteorite
58.
where are asteroids found?
a)
between earth and venus
b)
between Jupiter and Saturn
c)
between Saturn and Uranus
d)
between Mars and Jupiter
59.
what is the comets tail made out of? 
a)
gases
b)
dust 
c)
all of the above ^
d)
ice
60.
What is the composition of most comets?
a)
rock, ice, salt, carbon
b)
rock, ice, magma, frozen gases
c)
ice, dust, rock, frozen gases
d)
ice, dust, rock, soil
61.
What are meteors made of?
a)
chunks of rocks and minerals
b)
ice
c)
iron
d)
lava
62.
What causes meteors to burn up in our atmosphere?
a)
Heat from the Sun
b)
Heat from Earth's atmosphere
c)
They are already so hot that our atmosphere can't handle it
d)
Friction from the Earth's atmosphere
63.
I am a rock entering a planet's atmosphere.
a)
meteor
b)
meteorite
c)
asteroid
d)
comet
64.
One similarity between asteroids, comets and meteoroids is that they all:
a)
are made of rock
b)
come from the Asteroid Belt
c)
come from the Oort Cloud
d)
orbit the sun
65.
What are meteors sometimes called?
a)
shooting stars
b)
moons
c)
satellites
d)
falling asteroids

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