Communication and Information Transfer - grade 4

اختبار خاص بالمعلم: salma Hisham
مدة الاختبار: 0:00:31
الوقت المتبقي: -:-:-
1
A firefly is not a bird, but is a type of..........
2
Humpback whales sing during.......... months, which is the mating season.
3
Different.......... represent different letters of alphabet in Morse code.
4
The way by which bees can communicate with each other is...........
5
Bats use their.......... to get information about their surroundings in the dark.
6
Changing the pattern of lighting up in a firefly is an example of .......... adaptation(s).
7
All of the following are forms of codes except............
8
The sense that has a problem with the blind person.
9
In Morse code, long flashes can be used instead of..........
10
The scout honeybee makes........... round dance if the flower is very close.
11
.......... use echolocation by bouncing high-pitched sounds in the air.
12
The ability to communicate through language and speech separates animals............
13
People use a rescue flare to communicate with each other depending on the sense of..........
14
If two persons communicate with each other by Morse code using light flashes, this means that the sender and the receiver will depend on the sense of.......... in their communication.
15
All of the following are examples of communication electronic devices except...........
16
The blind person's cane and......... emit a high-pitched sound that bounces off objects forming an echo.
17
Reading and writing are common types of communication in........... world.
18
........... is produced by humpback whales in summer.
19
.......... The short beeps in Morse code.
20
Locating food is the function of ............
21
A living organism that can fly and it depends on the echolocation property for getting information about their surroundings in the dark.
22
........... used papyrus plant in writing.
23
........... is a code that means that you say "Yes".
24
Morse code is a communication system that depends on.........
25
............. are responsible for warning from dangers.
26
A simple tool (device) used by blind people to walk safely.
27
.......... were found in central America.
28
..........are responsible for sending messages when the amount of food decreases.
29
The sense by which bees receive movement codes that are sent by the scout honeybees.
30
A group of ants which is responsible for sending smelly messages when there is a shortage of food.
31
Which of the following is not a reason that fireflies produce a flash light?..........
32
Songs of humpback whales in winter are characterized by each of the following except.........
33
Morse code consists of........... beeps known as dots and.......... beeps known as dashes.
34
The bee can rotate around itself in the form of number.......... as an encoding message for other bees.
35
Echolocation is the use of..........-pitched sounds for finding food-.
36
All of the following ways can be used to communicate between people except.........
37
When your eyes see a red traffic light, it sends a signal to you to.........
38
In Morse code, short flashes can be used instead of...........
39
The scout honeybee performs a waggle dance in the direction......... if the flower is a little further away.
40
The echo turns into.......... that a blind man can feel in his thumb while holding his special cane.
41
Small living organisms that live in colonies and perform different roles, some are nurses, some are scoutes and some are soldiers.
42
Protecting the colony from dangers is the function of...........
43
Living organisms that make a series of movements and vibrations with their wings to communicate flower location.
44
A group of ants which is responsible for protecting the colony from dangers.
45
Honeybees which are responsible for searching out food sources
46
Morse code is a simple code consists ........... beeps and........ beeps.
47
........... is a code that means that you say "No".
48
........... is a type of communication in both animals and humans.
49
........... A communication system developed by Samuel Morse in the 19th century.
50
............ is a type of communication in animals only.

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