Conjunction for grade 4: Subordinating Conjunctions Worksheets | K5 Learning
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Conjunctions Class 4 Worksheet Fill in the blanks with correct option, Join these sentences using the conjunctions
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Conjunctions Class 4 Worksheet: Hello Students, welcome to Net Explanations. In this page we have posted Conjunctions Class 4 English Grammar Worksheet with Answers. For more CBSE Board Class 4 Grammar Worksheet you can check this page.
This Worksheet consists of Rules of Conjunctions + Fill in the blanks with correct option, Join these sentences using the conjunctions. All questions made by Expert subject teacher. You can download this Conjunctions Worksheet in PDF from here.
Conjunctions Class 4 Worksheet Fill in the blanks with correct option, Join these sentences using the conjunctions
Conjunctions
(I) Underline the conjunctions in the following sentences:
(1) The pilot refused to take off the flight because the weather was not good.
(2)It was very cold so he took bath with hot water.
(3) We will get success if we work hard.
(4) Do you like the hills of Darjeeling or the sea of Digha?
(5) They will stick to their strike until the authority fulfils their demand.
(6) Bibek scores good marks in English, yet he can not speak it well.
(7) I love this pillow as it is very soft.
(8) krishna is a smart boy though he is poor.
(9) My grandfather told me that everyone should always stand by the truth.
(10) She was having her lunch when I reached there.
(II) Join these sentences using the conjunctions given in brackets:
(1) The Earth moves around the Sun. The Moon moves around the Earth. (and)
(2) Mr. Roy is a rich merchant. He has to travel to many places for business. (so)
(3) Gourab is injured. He can’t participate in the race. (because)
(4) Sima loves chocolate. Anima loves ice-cream. (and)
(5) He did his best. He failed.(but)
(6)The thief ran away. The police came then. (when)
(7) Do you preferred tea? Do you prefer green tea? (or)
(8) Koyel bought a pen. Koyel bought a pencil. (and)
(9) He is fighting bravely. He is wounded. (though)
(10) You will be paid rupees 500. You do the work. (if)
(11) The pond is full of fishes. No one is allowed there for fishing. (but)
(12) There was a monkey in our courtyard. My brother told it. (that)
(13) We are very happy. We have won the match. (as)
(14) He splashed water with a bucket. He was able to extinguish the fire. (until)
(15) I covered my face with mask. The road was dusty. (as)
(III) Fill in the blanks with the correct options given in the brackets:
(1) I have eaten two bananas ___ still feeling hungry. (but/when)
(2) Ramen ___ Sayan plays football together. (so/and)
(3) Mr. Chowdhury worked day and night ___ he became rich. (if/until)
(4) Gita’s mother scolded Gita ___ she broke a glass. (because/that)
(5) The elephant is the biggest ___ the giraffe is the tallest animal in the forest. (or/and)
(6) ___ Eshita was waiting at the bus stop, she saw a wounded dog. (while/though)
(7) Netaji Subhash Chandra Bose struggled ___ India got freedom. (as/until)
(8) I like the monsoon ___ do not like to wear raincoat. (but/when)
(9) ___ Samir fails to pay the fee, he will not be able to sit in the examination. (so/if)
(10) The teacher ordered ___ we have to submit our project tomorrow. (that/since)
Answers
(I)
(1) The pilot refused to take off the flight because the weather was not good.
(2) It was very cold so he took bath with hot water.
(3) We will get success if we work hard.
(4) Do you like the hills of Darjeeling or the sea of Digha?
(5) They will stick to their strike until the authority fulfils their demand.
(6) Bibek scores good marks in English, yet he can not speak it well.
(7) I love this pillow as it is very soft.
(8) krishna is a smart boy though he is poor.
(9) My grandfather told me that everyone should always stand by the truth.
(10) She was having her lunch when I reached there.
(II)
(1) The Earth moves around the Sun and the Moon moves around the Earth.
(2) Mr. Roy is a rich merchant so he has to travel to many places for business.
(3) Gourab can’t participate in the race because he is injured.
(4) Sima loves chocolate and ice-cream.
(5) He did his best but he failed.
(6) The thief ran away when the police came.
(7) Do you prefer red tea or green tea?
(8) Koyel bought a pen and a pencil.
(9) He is fighting bravely though he is wounded.
(10) You will be paid rupees 500 if you do the work.
(11) The pond is full of fishes but no one is allowed there for fishing.
(12) My brother told that there was a monkey in our courtyard.
(13) We are very happy as we have won the match.
(14) He splashed water with a bucket until he was able to extinguish the fire.
(15) I covered my face with mask as the road was dusty.
(III)
(1) I have eaten two bananas but still feeling hungry.
(2) Ramen and Sayan plays football together.
(3) Mr. Chowdhury worked day and night until he became rich.
(4) Gita’s mother scolded Gita because she broke a glass.
(5) The elephant is the biggest and the giraffe is the tallest animal in the forest.
(6) While Eshita was waiting at the bus stop, she saw a wounded dog.
(7) Netaji Subhash Chandra Bose struggled until India got freedom.
(8) I like the monsoon but do not like to wear raincoat.
(9) If Samir fails to pay the fee, he will not be able to sit in the examination.
(10) The teacher ordered that we have to submit our project tomorrow.
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conjunctions Class 4 Worksheet — Net Explanations
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CBSE NCERT Class 4 English Grammar Chapter 15 Conjunctions in PDF.
CBSE NCERT Class 4 English Grammar Chapter 15 Conjunctions in PDF.
Updated by Tiwari Academy
on July 18, 2023, 4:33 AM
NCERT Solutions for Class 4 English Grammar Chapter 15 Conjunctions and their uses updated for CBSE and state board student’s academic session 2023-24. Do you know what the Conjunctions are? A conjunction is a word used to connect words, clauses, or sentences. A conjunction is a joining word and is also known as linker.
Class 4 English Grammar Chapter 15 Conjunctions
Class: 4 | English Grammar |
Chapter: 15 | Conjunctions |
Conjunctions with Examples
In the following sentences we find that the words in bold as and, but, or, because join two sentences. These words are called conjunctions.
- Kriti is honest. Kriti is kind.
Kriti is honest and kind. - Supriya is beautiful. Supriya is cruel.
Supriya is beautiful and cruel. - Do you want coffee? Do you want tea?
Do you want coffee or tea? - I trust him. He speaks the truth.
I trust him because he speaks the truth. - He is poor. He is honest.
He is poor but honest. - Work hard. You will fail.
Work hard or you will fail.
In the above sentences we find that the words and, but, or, because join two sentences. These words are called conjunctions.
Use of some conjunctions
1. ‘And’ is a conjunction which joins two words or two sentences that go together.
Example:
Harish is tall and handsome.
Being tall is a positive quality. Being handsome is also a positive quality. So, they go together. Hence, here and is used to join the two words.
2. But is a conjunction which joins words that do not go together.
Example:
Preeti is beautiful but cruel.
Being beautiful is a positive quality. Being cruel is a negative quality. So, they do not go together. Hence, here but is used to join the two words.
3. ‘Or’ is a conjunction which joins words or sentences when we have to choose.
Example:
Was this woman tall or short?
Here we have to choose between tall and short – one of the two.
Please hurry or you will be late.
Here again, we have to choose between the two options hurry up or late.
4. ‘Because’ is a conjunction which joins one sentence with another to give the reason. It answers the question why?
Examples:
Why is Ravi so happy?
Ravi is happy because he has scored the highest marks in the exam.
Why have you come late to school?
I have come late to school because I have missed my bus.
The second sentence I missed my bus is the reason of the first sentence I have come late to school.
Conjunction | Examples |
---|---|
But | I tried to hit the nail but hit my thumb instead. |
And | I have two goldfish and a cat. |
For | I’d like a bike for commuting to work. |
Or | You can have peach ice cream or a brownie sundae. |
Nor | Neither the black dress nor the gray one looks right on me. |
So | My dad always worked hard so we could afford the things we wanted. |
Yet | I try very hard in school yet I am not receiving good grades. |
KINDS OF CONJUNCTION
There are two kinds of conjunction:
1. Co-ordinate Conjunctions
2. Subordinate Conjunctions
Co-ordinate Conjunctions
A Coordinate Conjunction joins two clauses or statements of equal rank, importance and position. The main coordinate conjunctions are and, but, or, either or neither-nor, so, yet, for etc.
Examples:
You can go by bus or train.
Rohit worked hard but failed.
Suraj and Karan are students.
Subordinate Conjunctions
A subordinating Conjunction joins one subordinate clause to another main clause for its full meaning. It joins two clauses or statements of unequal rank/importance and position. The main subordinate conjunctions are after, as, because, although, before, than, though, if, until, that, while etc.
Examples:
She did not come to school because she was ill.
You will pass if you work hard.
Do not go away until I return.
Revision questions on Conjunctions
A. Fill in the blanks with and or but wherein needed:
1. My father is tall _________ my mother is short.
2. Parents love children _________children love parents.
3. The sun set _________ the darkness fell.
4. Atul has passed _________ brother has failed.
5. Vijay held the blind man’s hand _________helped him cross the road.
6. I went to his house _________ he was not there.
7. The washerman washed the clothes _________ did not iron them.
8. Sit silently _________ leave the room.
B. Join each pair of the sentences with suitable prepositions:
1. The woman was tall. The woman was short.
2. Will you attend the class? Will you go to the movie?
3. He was punished. He was guilty.
4. I was sad. I lost my purse.
5. Work hard. You will fail.
6. Return the book in time. Pay the fine.
7. Do they work in the morning? Do they work at night?
8. I did not go to school yesterday. I had fever.
9. Tom passed. He worked hard.
10. Is the man old? Is the man young?
11. Run fast. You will miss the bus.
12. She likes the watch. She has no money to buy it.
What do you mean by conjunction in Chapter 15 of Class 4 English Grammar?
A conjunction is a word used to connect words, clauses or sentences. A conjunction is a joining word and is also known as linker.
1. Kriti is honest and kind.
2. I trust him because he speaks the truth.
How many types of conjunction are there in Chapter 15 of standard 4 English Grammar?
There are two kinds of conjunction:
1. Co-ordinate Conjunctions
Ex. : You can go by bus or train.
2. Subordinate Conjunctions
She did not come to school because she was ill.
What is subordinate conjunction in 4th English Grammar Chapter 15?
A subordinating Conjunction joins one subordinate clause to another main clause for its full meaning. It joins two clauses or statements of unequal rank/importance and position. The main subordinate conjunctions are after, as, because, although, before, than, though, if, until, that, while etc.
1. You will pass if you work hard.
2. Do not go away until I return.
Abstract of the lesson on the technology “Mobile connection. Reciprocating movement. (Product «Ducklings with a cup»)», 4th grade UMK «Perspective» | Lesson outline on technology (Grade 4):
Date: 04/15/2018 |
Name of the teacher: Nesterova L.A. |
School: 104 |
Student’s FI: Tarasevich A. |
Grade: 4 900 07 |
Name of methodologist: Zhir N. A. __________ |
Room: 210 |
Lesson summary on technology
Topic: “Mobile connection. Reciprocating movement. (Product «Ducklings with a Cup»)»
The objectives of the teacher’s activity: the formation of students’ knowledge about the technique of a movable connection.
Planned results
Subject:
— to know the history of moving toys;
— know the technique of movable connection of toys;
— be able to create mobile toys.
Personal:
— to form a respectful attitude to work and professional activity of a person as a creator and custodian of ethno-cultural heritage;
— to form a careful attitude to the cultural and historical heritage of the country;
— study adequately, evaluate your work and the work of your classmates.
Type of lesson: «discovery» of new knowledge.
Equipment: presentation, templates, colored cardboard, colored and white paper, scissors, glue, wire.
Stages of the lesson Methods and techniques |
Chronometer |
Lesson content 90 008 |
Formed UUD |
|||
Teacher activity |
Student activity |
|||||
Stage I self-determination to activities Verbal — clarification |
0.5 min |
— Hello guys! Today I will give you a technology lesson. |
— Welcome teachers |
L: self-determination. |
||
II. Actualization of knowledge and motivation Verbal — conversation; Visual — slide show |
3 min |
— Guys, look at the slide. What is shown on it? — What material are they made of? — Right. When do you think they were first made? — They were first made in the 17th century in the village of Bogorodskoye near Moscow. A woman, a mother of two children, carved a human figure out of a wooden block with a knife. When the children played enough, the father took it to the market and sold it. He ordered a new one. So the wife began to carve toys for sale, and the husband to sell them. This is where Bogorodsk carving began, which to this day is famous for its craftswomen and craftsmen, surprising with its wonderful creativity. — Do you think Bogorodsk craftsmen could make moving toys at that time? — Of course. — The Bogorodsk toy «Blacksmiths» is very popular in many countries. When the planks are shifted to one side and the other, the figures of a man and a bear alternately strike with hammers on the anvil. — Tell me, is it possible to make such a toy out of cardboard and so. For her to move too? |
— Toys. — Made of wood. — In the times of Rus’. — Listen to the teacher’s information. — Yes. — Listen to the teacher’s information. — Yes. |
P: awareness and construction of verbal statements in oral form. |
||
III. Statement of the educational task Verbal — conversation; Visual — slide show |
1 min |
— Right. — Set the goal of your activity in the lesson. — Right. Only we will make a toy called «Ducklings with a cup.» |
— Sliding joint. Reciprocating movement. — Make a movable toy. |
R: goal-setting — setting a learning task. |
||
IV. Discovery of new knowledge Verbal — conversation, explanation; Visual — Slideshow, Progress Show |
5.5 min |
PRE-SHOW: 1. Materials we will need: colored cardboard, wire, colored and white paper, templates, scissors, glue. 2. Next step of work markup: You need to circle the duck template on one side, then turn it over and circle it again and you will get 2 ducks that will look at each other, and also circle the cup and beak template. What are the top 3 rules for working with paper and templates? 3. The next stage of work is the blank: At this stage, you need to cut out what you circled. When you cut out 3 strips of cardboard, then you will need to cut the 3rd strip in half. What are the rules for working with scissors? 1. Use scissors only at your workplace. 4. The next stage of work is assembly: At this stage, you need to assemble your duck, i.e. glue the wing, beak, paws and eyes, and also assemble the cup. Who will tell me the rules for working with glue? 5. The next stage of work is decoration: At this stage, you need to decorate the support with flowers, grass, at your discretion, there may be some details for the duck. Your mobile toy is ready. |
— Watching the preview. 1. The template is traced from the wrong side of the paper. 2. We need to save paper. 3. When we circle the templates, we hold the pencil vertically. — Tell the rules for working with scissors. — 1. Do not expose adhesive. 2. If adhesive gets on skin or eyes, rinse with water. 3. |
R: planning. — drawing up a sequence of actions. P: awareness and construction of verbal statements in oral form. V. Primary consolidation in external speech0005 — So guys, you’ve been listening very carefully, now tell us the steps to create a movable toy. — what materials are needed? — What needs to be done at the marking stage? — What’s in the procurement phase? — And at the assembly stage? — Registration? — Now we will determine the criteria by which we will evaluate the work. Accuracy, conformity to the model, correct execution of the toy, original design. |
— 5 children repeat the stages of work in stages, the rest listen. |
P: knowledge structuring. |
VI. Independent work with self-examination Practical — making a movable toy |
22 min |
— Now your task is to make a movable toy. |
— Perform the product. |
R: self-regulation — overcoming obstacles. |
||
VII. Inclusion in the knowledge system Verbal — conversation, Visual — mobile toys |
3 min |
Finished. Bring your work to the exhibition. — Let’s analyze whether the accuracy criterion is met? Pattern match? Correct execution of the toy? Well done guys. You have some very beautiful work. And I would like you to be as diligent and accurate in every lesson. |
— Analyze work. |
R: evaluation — evaluation of the results of work. |
||
VIII. Reflection of activity Verbal — conversation, Visual — slide show |
2 min |
— Guys, what was your goal at the beginning of the lesson? — Raise your hand, those who have reached the goal? — Who did not achieve the goal, how did it manifest itself? — Look at the slide, mentally answer these questions. — Thank you for the lesson, you made me happy today. Goodbye. |
— Make a movable toy. — Say goodbye to the teacher. |
K: the ability to express one’s thoughts with sufficient completeness and accuracy. |
Parallel and series connection — laws and examples
Show how to apply knowledge of physics in life
Start learning irland can not light bulbs of the same color? Why are all electrical appliances in the house designed for 220 V? Spoiler: it’s all about the types of conductor connections — we’ll talk about them in this article.
How, after one bulb in a garland has burned out, how can you determine the connection method and fix it? Let’s try to figure it out.
Anfisa found an old garland on the balcony. Plugging it into the outlet, the girl noticed that all the lights were on, except for the green ones. Having carefully examined the wires, Anfisa saw that all the green bulbs were connected in series one after another.
Series connection of conductors
In series connection, the end of the first conductor is connected to the beginning of the second, the end of the second to the beginning of the third, etc.
Serial connection is usually used in cases where it is necessary to purposefully turn on or off a certain electrical appliance. For example, for the operation of a school electric bell, it is required to connect it in series with a current source and a key.
Here are some examples of the use of a serial connection:
- lighting in train or tram cars;
- simple Christmas tree garlands;
- flashlight;
- ammeter for measuring current in a circuit.
Laws of series connection of conductors
-
When connected in series, the current in any part of the circuit is the same:
I = I 1 = I 2 = … = I n .
If in a circuit with a serial connection one of the lamps fails and no electric current flows through it, then the current will not pass through the remaining lamps. Recall Anfisa and her garland: when one of the green bulbs burned out, the current passing through it became zero. Consequently, the other green lights connected in series did not light up either. To fix the garland, you need to identify the burnt out light bulb and replace it.
-
When connected in series, the total resistance of the circuit is equal to the sum of the resistances of the individual conductors:
R equiv = R 1 + R 2 + … + R n .
-
When connected in series, the total voltage of the circuit is equal to the sum of the voltages in the individual sections:
U equiv = U 1 + U 2 + .
.. + U n .
An example of solving the problem
A lamp is switched on in a circuit with a voltage of 220 V, a current of 20 A flows through it. When a rheostat is connected in series to the lamp, the current in the circuit decreases to 11 A. What is the resistance of the rheostat?
Solution.
-
According to Ohm’s law, we determine the resistance of the lamp:
R 1 = U / I 1 = 220 / 20 = 11 ohm.
-
Also, according to Ohm’s law, we determine the total resistance of the circuit with the rheostat on:
R = U / I 2 = 220 / 11 = 22 ohms.
-
When connected in series, the resistances of the lamp and the rheostat are added:
R = R 1 + R 2 .
-
Knowing the total resistance of the circuit and the resistance of the lamp, we determine the desired resistance of the rheostat:
R 2 = R — R 1 = 22 — 11 = 11 ohms.
Answer: the resistance of the rheostat is 11 ohms.
Unfortunately, a serial connection is not always convenient. For example, the Auchan shopping center is open from 9:00 to 23:00, the cinema is from 10:00 to 02:30, and shops are open from 10:00 to 22:00. With a series connection of the circuit, the light will have to burn in the entire shopping center from 9:00 to 02:30. Agree that such a mode of operation is economically unprofitable even with the minimum tariff for electricity. In this case, a good solution would be to use a parallel connection.
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Parallel connection of conductors
In a parallel connection, the beginnings of all conductors are connected at one common point in the electrical circuit, and their ends at another.
Parallel connection is used when it is necessary to connect electrical appliances independently of each other. For example, if you turn off the kettle, the refrigerator will continue to work. And when one bulb burns out in the chandelier, the rest still illuminate the room.
Here are a few more examples of the parallel connection method:
- lighting in large sales areas;
- household electrical appliances in the apartment;
- computers in the informatics room;
- voltmeter for measuring voltage in a circuit section.
Parallel connection of conductors: formulas
-
Voltage in parallel connection in all parts of the circuit is the same:
U = U 1 = U 2 = … = U n .
As you remember, all household electrical appliances are designed for the same nominal voltage of 220 V. Yes, and you will agree that it is much easier to make all sockets the same, and not calculate the voltage for each appliance when they are connected in series.
-
The current in parallel connection (in the unbranched part of the circuit) is equal to the sum of the currents in the individual parallel-connected conductors:
I equiv = I 1 + I 2 + … + I n .
Electric current flows through the branches in inverse proportion to their resistances.
If the resistances in the branches are equal, then the current in parallel connection is divided equally between them.
-
The total circuit resistance is determined by the formula:
1 / R equiv = 1 / R 1 + 1 / R 2 + … + 1 / R n .
For two conductors connected in parallel, the formula can be written differently:
R equiv = (R 1 R 2 ) / (R 1 + R 2 ).
If n identical conductors, each of which has a resistance of R 1 , are connected in parallel, then the total resistance of the circuit section can be found by dividing the resistance of one of the conductors by their number:
R equiv = R 1 / n.
Let’s return to Anfisa and her garland. We have already figured out why all the green lights stopped burning. It’s time to find out why everyone else kept on burning. In modern garlands, parallel and serial connections are used at the same time. For example, bulbs of the same color are connected in series, and with other colors — in parallel. Thus, turning off the branch with green lights did not affect the operation of the rest of the circuit.
An example of solving the problem
Two resistors with resistances of 10 ohms and 11 ohms, respectively, are connected in parallel and connected to a voltage of 220 V. What is the current strength in the unbranched part of the circuit?
Solution.
-
Determine the total resistance for parallel connection of conductors:
R \u003d (R 1 R 2 ) / (R1 + R2) \u003d (10 11) / (10 + 11) \u003d 110 / 21 Ohm ≈ 5.
24 Ohm.
-
According to Ohm’s law, we determine the current strength in the circuit:
I = U / R = 220 / (110 / 21) = 42 A.
Answer: the current in the unbranched part of the circuit is 42 A.
Mixed connection of conductors
Often, real electrical circuits are more complicated, therefore, various combinations of series and parallel connection methods are used. This connection method is called mixed. Mixed connection of conductors involves the use of series and parallel connection methods in one circuit.
Algorithm for solving problems with mixed connection of conductors:
-
Read the condition of the problem, draw a diagram of the electrical circuit, number the conductors if necessary.
-
Analyze the circuit, i.
e. find areas where only serial or only parallel connection of conductors is used. Determine the resistance in these areas.
-
Find out the type of connection between the sections. Find the total resistance of the entire circuit.
-
Using Ohm’s law and the laws of series and parallel connection of conductors, find the distribution of currents and voltages in the circuit.
An example of solving the problem
The figure shows a diagram of an electrical circuit. The resistances of the resistors are the same and equal to 12 ohms. The source voltage is 100 V. What is the current flowing through the resistor R 4 ?
Solution.
-
Let’s analyze this scheme. Resistors R 2 and R 3 are connected in series, and with resistor R 4 — in parallel.
This entire section is connected in series with a current source and resistor R 1 .
-
Determine the resistance of series-connected resistors R 2 and R 3 :
R 23 = R 2 + R 3 = 12 + 12 = 24 ohms.
-
Find the total resistance of the resistor R 4 and section 2-3 connected in parallel:
R 234 \u003d (R 23 R 4 ) / (R 23 + R 4 ) \u003d (24 12) / (24 + 12) \u003d 8 ohms.
-
Let’s define the total resistance of the entire circuit as the sum of the resistor R 1 connected in series and section 2–3–4:
R equiv = R 1 + R 234 = 12 + 8 = 20 ohms.
-
According to Ohm’s law, we find the current strength in the unbranched part of the circuit:
I \u003d U / R equiv \u003d 200 / 20 \u003d 5 A.
-
According to Ohm’s law, we determine the voltage in the section consisting of resistors R 2 , R 3 , R 4 :
U equiv1 = I R 234 = 5 8 = 40 V.
-
Since the voltage is the same in parallel connection, the voltage across the resistor R 4 is also equal to 40 V. Using Ohm’s law, we find the strength of the current flowing through the resistor R 4 :
I 4 = U equiv1 / R 4 = 40 / 12 ≈ 3.3 A.
Answer: through the resistor R 4 a current of approximately 3.3 A flows.
We have analyzed quite a few formulas for series and parallel connection of conductors. And you can remember them with the help of these schemes:
Download cheat sheet
Download cheat sheet
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