Class 9 English Guide 2080 : Unit - 11 Gadgets and Instruments guide

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 Class 9 English Guide 
Unit - 11
Gadgets and Instruments

The following pictures show the process of making black tea. Describe the step each picture shows.
The step-wise process of making black tea is given below: 
1. First of all, put water, tea leaves and sugar in a tea kettle. 
2. Turn on the stove full and put the kettle over it. 
3. When the tea boils, minimize the flames of the tea. 
4. After a few minutes, turn off the stove. 
5. Pour the tea into the cup or glass after filtering it with tea strainer. 
6. Your tea is ready to serve.

Reading I
Look at the picture and answer the questions.
a. What do you think the girl is doing?
Answer - In the given picture, the girl is using her phone while charging.

b. What is the risk of using a phone this way?
Answer - When we use the phone while charging, there is a risk of battery 
expansion and explosion due to overheating. 

c. What precautions should you take while using a phone?
Answer - Different precautions that are to be taken while using a phone are: 
i. Investing in a good and original charger 
ii. Not using the phone while in charge 
iii. Sanitizing the phone regularly 
iv. Protecting information with passwords 

Class 9 English Guide 
Unit - 11
Gadgets and Instruments

Save your Smartphone

Short summary ..
Your phone therefore needs proper care to prolong its lifespan and also to safeguard important information that's stored there.

A closer look at your charging habits Most of us live in fear of a fading phone battery when we are out and about, we don't worry too much about that battery's eventual lifespan.

Maintain a cool temperature Heat is harmful to phone batteries.

Studies have actually found that your phone screen houses more bacteria than a toilet seat.

Protect your phone and data Set a screen lock on to keep your information safe and render the phone useless in the event it gets lost or stolen.

You can have more control over which apps and events can send you prompts and how these messages appear on the home or lock screen of your phone.

Simply go to your phone's settings and set the notifications accordingly.

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A. Match the words in column A with their meanings in column B.
Column A           Column B
a. prolong-------v. to make something last longer
b. essential------vii. extremely important
c. fading---------i. being less bright
d. generate------ii. to produce
e. gunk-----------iii. any sticky or dirty substance
f. render---------iv. to cause something to be in a particular condition
g. notifications--vi. notices

B. Write True for true statements and False for false ones.
a. It’s a good idea to keep our phones fully charged.
Answer - False

b. We should keep our phones together with other gadgets.
Answer - False

c. A phone is likely to hold more bacteria than a toilet seat.
Answer - True

d. Setting a screen lock on the phone helps us keep the information safe.
Answer - True

e. Smartphones are very useful even without apps.
Answer - False

C. Answer the following questions.
a. Write any three uses of smartphones in everyday life.
Answer - The three different uses of smartphones in everyday life are as 
  • staying connected with family and friends 
  • staying up to date with important schedules, and 
  • buying groceries or clothes online.

b. Why should we care for our phones?
Answer - We should give care to our phones in order to prolong their lifespan and also to safeguard important information. 

c. Why should we not use cheap chargers to charge our phones?
Answer - Cheap chargers can deliver too much power which con damage to the battery and cause a fire. So, cheap chargers on not be used to charge our phones instead of the original ones.

d. How can we prevent our phones from getting over heated?
Answer - We can prevent our phones from getting overheated by avoiding placing the smartphone next to other devices such as laptops or they generate heat.

e. How can the phone be cleaned?
Answer - The phone can be cleaned by simply disinfecting our phones with 
an antimicrobial spray and wipe them with a soft cloth.

Class 9 English Guide 
Unit - 11
Gadgets and Instruments

D. What gadgets do you have at your home? How do you take care of them?
Answer - There are different gadgets used in my everyday life at home. We have TV, computers, laptop, mobile phones and so on. The most used gadget is my laptop. Being a student, I use the laptop for my project work and study purposes. It is very important to take care of the gadgets to increase their longevity and maintain their functionality. For my laptop and mobile phones, I regularly clean the screen with spray and a clean cloth. I use password protection for my details on my laptop and phone. Using an original battery can help maintain the battery life of the gadgets. I switch off the gadgets after their use so they do not drain more battery.

Grammar I
B. Change the following sentences into indirect speech. Use the given sentence starters.
a. “He works in a bank.”
She said ..........................
Answer - She said that he worked in a bank

b. “We went out last night.”
She told me ..........................
Answer - She told me that they had gone out last night. 

c. “I’m coming!”
She said..........................
Answer - She said that she was coming. 

d. “I was waiting for the bus when he arrived.”
She told me ..........................
Answer - She told me that she had been waiting for the bus when he arrived.

e. “I’d never been there before.”
She said ..........................
Answer - She said that she had never been there before.

f. “I didn’t go to the party.”
She told me ..........................
Answer - She told me that she hadn't gone to the party.

g. He said to me, "Help him to do his homework."
He asked me .......................
Answer - He requested me to help him to do his homework.

h. The doctor said to the patient, "Take bed rest for a week."
The doctor advised the patient ..........................
Answer - The doctor advised the patient to take bed rest for a week

i. The commander said to his soldiers, "March further."
The commander ordered ..........................
Answer - The commander ordered his men to march further

Writing I
Prepare a recipe to cook your favorite dish at home. Use the prompts given below.
Answer - Do yourself 

Reading II

Weather Instruments

Important poits
Until the 18th century, people completely depended on sensory observations for any weather data.

Today, we are blessed with modern technology which includes different weather instruments and weather stations that help us to accumulate accurate weather data.

In weather stations, mainly mercury-filled thermometers are used.

speed of wind gives plenty of information about the weather.

A WIND VANE is also called a weather vane or a weathercock.

The tool is placed on top of a weather station and gives accurate results about the direction of the wind which provides a lot of information about the changes that take place in the weather.

The amount of precipitation is measured either manually or by an automatic weather station.

A. Complete these sentences with the appropriate words from the text above.
a. Most of the FM ............. broadcast the news at 7:00.
Answer - stations

b. The function of a to convert the change of temperature into numerical numbers.
Answer - thermometer

c. The Earth is .......... by the atmosphere.
Answer - wrapped

d. The amount of water in the air is called ................
Answer - humidity

e. The wind vane is also known as a .....................
Answer - weather vane/ weathercock

B. Choose the correct answer.
a. How did people get the weather information until the 18th century?
Answer -ii. through their physical senses

b. Which one of the following barometers is the latest one?
Answer - i. digital

c. What does a barometer measure?
Answer - iii. atmospheric pressure

d. Which of the following devices is NOT used to get weather information?
Answer - ii. galvanometer

e. Which of the following devices is used to measure the speed of the wind?
Answer - ii. anemometer

C. Answer the following questions.
a. Where is an alcohol-filled thermometer mostly used?
Answer - Alcohol-filled thermometer is mostly used to measure temperature under -35 degree Celsius.

b. What is a barometer used for?
Answer - A barometer is a scientific instrument used to measure atmospheric pressure. 

c. What are the two kinds of hygrometer?
Answer - The two kinds of hygrometers are: 
i. Dry and wet bulb hygrometers 
ii. Mechanical hygrometer.

d. Give two examples of how an anemometer gives information about the weather.
Answer - Anemometer is used to measure the speed of the wind. The examples of how an anemometer gives information about the weather are given as: - If the speed of the wind is high, it indicates a storm. - We can determine the speed of the wind which helps us to protect ourselves from many natural disasters

e. Name the device that is used to measure the changes in weather conditions.
Answer - A weather thermometer is used to measure the changes in weather 

f. What precaution should be taken while using a rain gauge?
Answer - The rain gauge should be placed at an open place without any 

D. How do you usually find out what the weather will be like? Talk to your friends.
Before I go outside, I usually check the weather information to avoid any mishappens. I get my weather information from weather channels on the TV. They might not be totally accurate but I have found them helpful in many occasions. I also happen to check the weather app on my phone. This helps me to plan the day according to the weather for the day.

Grammar II
A. Change the following sentences into indirect speech.
a. He said, "Don't use my camera."
Answer - He forbade me to use his camera.

b. The doctor said, "Give up smoking."
Answer - The doctor advised to give up smoking.

c. "Don't touch the wire." The electrician said to me.
Answer - The electrician said to me. The electrician warned me not to touch the wire.

d. “Could you explain number four, please?” said the student.
Answer - The student requested the teacher to explain number four.

e. "Don't worry about it, Mrs. Shrestha." She said.
Answer - She assured Mrs. Shrestha not to worry.

f. "Finish this job in an hour." He said.
Answer - He ordered to finish the job in an hour.

g. Amrita said to me, “Please help me.”
Answer - Amrita requested me to help her.

B. Complete the following sentences with the correct alternatives from the brackets.
a. had seen
b. she could not stay there anymore
c. the earth revolves round the sun
d. he had done his homework
e. ordered
f.  to spend
g. to smoke

Writing II
Do yourself

Project work
Yes, I know how to connect wireless earbuds to Bluetooth-eanbled devices such as smartphones, tablet, laptop, etc. in order to do so, we need to follow the following steps: A. Turn on the bluetooth 
1. Swipe down/up from the top/bottom of the screen (depending 
on the phone type). 
2. Tap Bluetooth B. Pair with devices 
3. Make sure Bluetooth is turned on.
 4. Touch and hold Bluetooth 
In the list of paired devices, tap a paired but unconnected device. (Go to new device if you are connecting the device 
for the first time.) 6. When your phone and the Bluetooth device are connected, 
the device shows as "Connected." Extra Bit 
Transitive and Intransitive Verbs A transitive verb is a verb that requires an object to receive the action. 
Examples: I admire your courage. We need to maintain product quality.I couldn't face him today. She loves animals. An intransitive verb is a verb that does not take an object. Examples: The baby was crying. I work for a large firm in Paris. They laughed uncontrollably. We talked for hours. 

Class 9 English Guide - Click any unit and view class 9 English notes

Unit - 1 Travel and Holidays

Unit - 2 Health and Hygiene

Unit - 3 Family, Market and Public Places

Unit - 4 Life and Death

Unit - 5 Ethics, Norms and Values

Unit - 6 Custom and Culture

Unit - 7 Ecology and Environment

Unit - 8 Science and Technology

Unit - 9 Work and Leisure

Unit - 10 The Earth and Space

Unit - 11 Gadgets and Instruments

Unit - 12 People and Places

Unit - 13 Organisation Profile and Authority

Unit - 14 History and Civilisation

Unit - 15 People and Lifestyle

Unit - 16 Games and Sports

Unit - 17 Global Warming and Climate Change

Unit - 18 Transportation and Communication

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