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WorksheetsG4 1T Sci All government tests W6 to W10
Total questions: 118
Worksheet time: 2hrs 58mins
Name
Class
Date
1.
Light is a form of ...................
a)
energy
b)
work
c)
matter
2.
Which of the following is an opaque object? ...............
a)
wood
b)
water
c)
air
3.
When light falls on a mirror, it ..............
a)
reflected
b)
refracted
c)
scattered
4.
From natural sources of light ...............
a)
sun
b)
moon
c)
candle
5.
Nocturnal animals have larger eyes than humans.
a)
True
b)
False
6.
Rough objects reflect light better than smooth ones.
a)
True
b)
False
7.
The moon is not a source of light.
a)
True
b)
False
8.
The organ affected by light and responsible for vision.
a)
eyes
b)
ears
c)
brain
9.
Materials that allow light to pass through them.
a)
Transparent
b)
opaque objects
c)
wood
10.
Objects through which light is emitted.
a)
sources of light
b)
moon
c)
candle
11.
Materials that cannot be seen through.
a)
opaque objects
b)
Transparent objects
c)
water
12.
The sun and the moon are sources of light.
a)
True
b)
False
13.
Objects can be seen due to the absorption of light.
a)
True
b)
False
14.
Smooth surfaces reflect light better than rough surfaces.
a)
True
b)
False
15.
Hossam wants to make a box to see its contents from the outside, which of the following materials will be use?
a)
Cardboard
b)
transparent glass
c)
opaque plastic
16.
Light travels in……………lines .
a)
zigzag
b)
straight
c)
circular
17.
The process of vision occurs as a result of .................of light .
a)
scattering
b)
reflection
c)
absorption
18.
Which of the following materials reflect light best?
a)
wood
b)
cloth
c)
mirrors
19.
Fireflies communicate with each other through ........
a)
light
b)
sound
c)
phone
20.
Fireflies are found on .............. trees in Thailand.
a)
mangrove tree
b)
acacia tree
c)
kapok tree
21.
light is produced as a result of ............... occurs inside the body of the fireflies .
a)
chemical reaction
b)
sound waves
c)
reflection
22.
Fireflies use the sense of .................. to communicate.
a)
sight
b)
hearing
c)
smelling
23.
Raising the thumb– up is a type of .................
a)
code
b)
sight
c)
sound
24.
Man uses a sense of .................. to communicate .
a)
sight
b)
hearing
c)
sight and hearing
25.
Your eyes use .................. to collect information.
a)
light
b)
sound
c)
sound and light
26.
The travellers use ............... to attract the attention of helicopter pilots to rescue them.
a)
sound
b)
mirrors
c)
wood
27.
Writing and reading is one of the ways to communication with ...........
a)
Plants
b)
animals
c)
humans
28.
Each of the following examples of codes except ................
a)
traffic lights
b)
facial expressions
c)
sleep
29.
Fireflies are used .................. to release flashes.
a)
wings
b)
eyes
c)
legs
30.
................ is considered as a pattern that have meaning .
a)
code
b)
light
c)
sound
31.
In order to translate the code, .. ............... must distinguish it.
a)
brain
b)
skin
c)
lungs
32.
Man uses codes to transfer ....................
a)
information
b)
food
c)
drinks
33.
To communicate by sight, we need ..................
a)
light
b)
sound
c)
darkness
34.
One of the ways of communication in the human is ................
a)
writing
b)
walking
c)
darkness
35.
One example of code is ................
a)
traffic lights
b)
sleep
c)
darkness
36.
Animals communicate with each other by flashing (lighting).
a)
Fireflies beetles
b)
Bats
c)
Humpback whales
37.
The .................... tree secretes a poison that makes its leaves taste bad.
a)
mangrove
b)
acacia
c)
kapok
38.
Under the skin of a polar bear is a thick layer of .................
a)
fat
b)
skin
c)
feathers
39.
Oxygen enters the lungs during the ................. process.
a)
inhalation
b)
exhalation
c)
drink
40.
The organ responsible for the sense of sight is ....................
a)
eyes
b)
ears
c)
brain
41.
The Egyptian jerboa jumps in………….. paths.
a)
zigzag
b)
straight
c)
backword
42.
The ............... processing and interpreting information.
a)
brain
b)
ears
c)
eyes
43.
The spinal cord is an important part of the ................ system.
a)
respiratory
b)
digestive
c)
nervous
44.
…………..is not considered as a natural source of light.
a)
moon
b)
sun
c)
candle
45.
Light travels in……………… lines .
a)
zigzag
b)
straight
c)
backword
46.
Hand signals are a type of .............
a)
codes
b)
sound
c)
light
47.
............... help lizards hide among colored rocks.
a)
Fur
b)
skin
c)
colored scales
48.
The panther chameleon's v-shaped feet are a type of………… adaptation.
a)
Structural
b)
Behavioral
c)
structural and behavioral
49.
The mouth is an organ of ………………system.
a)
respiratory
b)
digestive
c)
nervous
50.
The lungs are organ in ………….. system.
a)
respiratory
b)
digestive
c)
nervous
51.
Salt and sugar can be distinguished by the sense of ...............
a)
smell
b)
hearing
c)
taste
52.
Owls have a face that looks like .............
a)
square
b)
bowl
c)
triangle
53.
Each of the following is a part of the nervous system except ...........
a)
brain
b)
heart
c)
nerves
54.
Ants use the………….. sense to communicate .
a)
smell
b)
hearing
c)
taste
55.
In order to see things, we must have ...............
a)
light
b)
sound
c)
heat
56.
The process of vision occurs as a result of .............. light.
a)
reflection
b)
absorption
c)
Scattering
57.
................. has brown fur that helps him hide in the desert.
a)
Fennec fox
b)
Arctic fox
c)
polar bear
58.
Plants that have small leaves and thorns live in ..............
a)
desert
b)
poles
c)
water
59.
The process of absorption occurs in ................
a)
stomach
b)
small intestine
c)
mouth
60.
The diaphragm is an important muscle in the ........... system.
a)
digestive
b)
respiratory
c)
nervous
61.
.............. destroys the respiratory system and causes diseases.
a)
Food pollution
b)
Air pollution
c)
Water pollution
62.
………….. is the organ responsible for hearing.
a)
Eye
b)
Ear
c)
Mouth
63.
The................ system receive and translate information.
a)
digestive
b)
respiratory
c)
nervous
64.
Humpback whales communicate with each other through ..........
a)
light
b)
songs
c)
codes
65.
Sharp sounds are ............ pitch.
a)
high
b)
low
c)
equal
66.
The ............. is from natural light sources.
a)
moon
b)
sun
c)
candle
67.
................ helps Polar animals to hide in the snow.
a)
thick white fur
b)
fats
c)
feathers
68.
The bull shark lives in .................
a)
fresh water only.
b)
salt water only.
c)
fresh and salt water.
69.
............... helps the kapok tree to hold in the soil.
a)
Buttress roots
b)
Taproot
c)
Tiny leaves
70.
………....is from the organs of the digestive system.
a)
stomach
b)
brain
c)
lungs
71.
…………. is from the organs of the Respiratory system.
a)
stomach
b)
brain
c)
lungs
72.
The gills in the fish is considered as ………… adaptation.
a)
Structural
b)
Behavioral
c)
functional
73.
Animals that can live both in water and on land are called ................
a)
amphibians
b)
mammals
c)
nocturnal
74.
Dolphins use .............. to known the location of its prey.
a)
echolocation
b)
light
c)
codes
75.
............... processes and interprets data.
a)
brain
b)
heart
c)
eye
76.
…………..is an example of an opaque object.
a)
wood
b)
glass
c)
lens
77.
The time it takes for the body to receive information from the environment.
a)
reaction time
b)
respiratory time
c)
reflection time
78.
The pharynx is an organ of ………….. System
a)
digestive
b)
respiratory
c)
nervous
79.
The lungs are organs of the ................ system.
a)
digestive
b)
respiratory
c)
nervous
80.
Animals that are active at night look for food.
a)
Amphibians animals
b)
Mammals animals
c)
Nocturnal animals.
81.
Fish extract gas ............ dissolved in water.
a)
oxygen
b)
Hydrogen
c)
Nitrogen
82.
The body whose position does not change is in a …………state.
a)
static
b)
dynamic
c)
move
83.
.................. causes the movement of static bodies.
a)
force
b)
gravity
c)
light
84.
The fastest truck in the world is the .............. truck.
a)
shockwave
b)
fast
c)
plane
85.
Kicking the ball is considered as a ............... force.
a)
pushing
b)
pulling
c)
gravity
86.
When increasing the engine power the speed will ..........
a)
increase
b)
decrease
c)
remain the same
87.
leaf blowing due to the force of ......... the air.
a)
pushing
b)
pulling
c)
gravity
88.
The parachutes supplied to the jet help reduce its ............
a)
speed
b)
size
c)
gravity
89.
To move a car more quickly, you must ................the engine pushing power.
a)
reduce
b)
increase
c)
cut off
90.
The SHOCKWAVE truck is stopped by ...........
a)
parachutes.
b)
air
c)
gravity
91.
Opening the door handle is .................. force.
a)
pushing
b)
pulling
c)
gravity
92.
The SHOCKWAVE truck supplied with ................. parachutes.
a)
3
b)
1
c)
2
93.
The speed of trucks different according to ................
a)
engine power
b)
color
c)
face
94.
Objects do not move if no force affects them.
a)
True
b)
False
95.
The body is static when it moves from one place to another.
a)
True
b)
False
96.
The engine of the jet plane is weaker than the engine of the car.
a)
True
b)
False
97.
The movement of the planets can be seen in the sky.
a)
True
b)
False
98.
The force that makes objects move away from you.
a)
pushing force
b)
pulling force
c)
gravity force
99.
A force that causes objects move toward you.
a)
pushing force
b)
pulling force
c)
gravity force
100.
A moving object is acted by................. Forces.
a)
unbalanced
b)
balanced
c)
pushing
101.
The body at rest is acted by ……………. Forces.
a)
unbalanced
b)
balanced
c)
pushing
102.
Forces that pulls objects down toward the Earth.
a)
pushing force
b)
pulling force
c)
gravity force
103.
The position of the body changes relative to a fixed starting point.
a)
Motion
b)
tall
c)
height
104.
Kicking the ball is ............... Force.
a)
pushing
b)
pulling
c)
gravity
105.
Tightening the hook is ...............force.
a)
pushing
b)
pulling
c)
gravity
106.
Change the place of the body from one place to another.
a)
Motion
b)
tall
c)
height
107.
When an unbalanced force acts on a body, it will ................
a)
move
b)
shine
c)
resize
108.
The apple falling from the tree is a …………..force.
a)
pushing
b)
friction
c)
gravity
109.
When a force acts against the direction of motion of an object, its speed …..........
a)
increases
b)
decreases
c)
remains the same
110.
An object moves when a force acts on is ...............
a)
unbalanced
b)
balanced
c)
pushing
111.
Friction acts in the same direction of the motion of the body.
a)
True
b)
False
112.
If a balanced force acts on the body, it moves.
a)
True
b)
False
113.
Opening the desk drawer is a pulling force.
a)
True
b)
False
114.
The object moves a greater distance if a greater pushing force is exerted on it.
a)
True
b)
False
115.
The amount of energy required to move an object through the force acting on it.
a)
work
b)
Pushing force
c)
Pulling force
116.
A force between two surfaces in contact.
a)
Friction force
b)
Pushing force
c)
Pulling force
117.
The ability to do work.
a)
energy
b)
force
c)
work
118.
A force that arises between the surfaces of two bodies in contact.
a)
Friction force
b)
Pushing force
c)
Pulling force
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