Different Types of Scientific Devices Used in Daily Life For Sainik Schools Entrance Examination (AISSEE) Class 6 Preparation

This topic is part of the General Science syllabus and is important for All India Sainik School Entrance Exam Class VI (AISSEE) because students need to understand the applications of scientific principles in everyday life.

1. Scientific Devices Used in Homes

These are the devices that we commonly use in our daily lives to make our work easier and more efficient.

• Thermometer – Measures temperature (used for body temperature checks and weather monitoring).
• Refrigerator – Uses cooling technology to preserve food.
• Microwave Oven – Uses electromagnetic waves to cook food.
• Water Purifier – Removes impurities from water to make it safe for drinking.

2. Scientific Devices Used in Schools

These devices help students in learning and experimentation.

• Microscope – Used to magnify small objects for biological studies.
• Weighing Balance – Used to measure mass accurately.
• Magnifying Glass – Used to enlarge small texts or objects.
• Spring Balance – Measures force or weight.

3. Scientific Devices Used in Hospitals

Doctors and medical staff use various scientific devices to diagnose and treat patients.

• Stethoscope – Used by doctors to listen to heart and lung sounds.
• Sphygmomanometer – Measures blood pressure.
• X-ray Machine – Uses radiation to take images of bones and organs.
• Ultrasound Machine – Uses sound waves to create images of internal body parts.

4. Scientific Devices Used in Industries

These devices are used in factories and industrial setups for various processes.

• Barometer – Measures atmospheric pressure.
• Hygrometer – Measures humidity levels in the air.
• Anemometer – Measures wind speed.
• Spectrometer – Analyzes materials and their composition.

AISSEE Exam-Oriented Questions on Scientific Devices

To help students prepare effectively, we have included MCQs, conceptual questions, and FAQs related to this topic.

Multiple-Choice Questions on Different Types of Scientific Devices Used in Daily Life.

1. Which of the following devices is used to measure temperature?

a) Barometer
b) Thermometer
c) Ammeter
d) Hygrometer
Answer: b) Thermometer
Explanation: A thermometer is used to measure temperature. It works based on the expansion of liquids like mercury or alcohol when heated.

2. What is the function of a barometer?

a) Measuring temperature
b) Measuring blood pressure
c) Measuring atmospheric pressure
d) Measuring humidity
Answer: c) Measuring atmospheric pressure
Explanation: A barometer is an instrument used to measure atmospheric pressure, which helps in predicting weather changes.

3. A sphygmomanometer is used to measure:

a) Temperature
b) Heart rate
c) Blood pressure
d) Lung capacity
Answer: c) Blood pressure
Explanation: A sphygmomanometer is a medical device used to measure blood pressure in the arteries.

4. Which device is used to measure humidity in the air?

a) Barometer
b) Hygrometer
c) Thermometer
d) Galvanometer
Answer: b) Hygrometer
Explanation: A hygrometer measures the moisture content or humidity in the air.

5. What is the use of an anemometer?

a) Measuring wind speed
b) Measuring water purity
c) Measuring earthquake intensity
d) Measuring temperature
Answer: a) Measuring wind speed
Explanation: An anemometer is a device used to measure wind speed and direction.

6. Which instrument is used to detect and measure electric current?

a) Voltmeter
b) Ammeter
c) Barometer
d) Altimeter
Answer: b) Ammeter
Explanation: An ammeter measures electric current in a circuit.

7. What does a voltmeter measure?

a) Temperature
b) Voltage
c) Current
d) Resistance
Answer: b) Voltage
Explanation: A voltmeter is used to measure the potential difference (voltage) between two points in an electric circuit.

8. Which instrument is used to measure the depth of oceans?

a) Hydrometer
b) Altimeter
c) Echo sounder
d) Seismograph
Answer: c) Echo sounder
Explanation: An echo sounder (sonar) is used to determine the depth of a water body by measuring the time it takes for a sound pulse to travel to the bottom and back.

9. A lactometer is used to test:

a) Purity of water
b) Purity of milk
c) Density of oil
d) Alcohol content in a liquid
Answer: b) Purity of milk
Explanation: A lactometer is used to check the purity of milk by measuring its density.

10. What is the function of a seismograph?

a) Measuring rainfall
b) Measuring wind speed
c) Measuring earthquake intensity
d) Measuring air pressure
Answer: c) Measuring earthquake intensity
Explanation: A seismograph detects and records seismic waves caused by earthquakes.

11. Which device is used to measure the purity of gold?

a) Hydrometer
b) Barometer
c) Karatmeter
d) Pyrometer
Answer: c) Karatmeter
Explanation: A karatmeter is used to determine the purity of gold by measuring its composition.

12. Which instrument is used to measure the speed of a vehicle?

a) Speedometer
b) Odometer
c) Manometer
d) Hygrometer
Answer: a) Speedometer
Explanation: A speedometer measures the speed of a moving vehicle.

13. What does an odometer measure?

a) Distance traveled by a vehicle
b) Speed of a vehicle
c) Time taken for a journey
d) Fuel consumption
Answer: a) Distance traveled by a vehicle
Explanation: An odometer records the total distance traveled by a vehicle.

14. What is a pyrometer used for?

a) Measuring very high temperatures
b) Measuring blood sugar levels
c) Measuring wind direction
d) Measuring sound levels
Answer: a) Measuring very high temperatures
Explanation: A pyrometer is a device used to measure extremely high temperatures, such as in furnaces and kilns.

15. What is the function of a galvanometer?

a) Measuring electric current
b) Measuring humidity
c) Measuring atmospheric pressure
d) Measuring wind speed
Answer: a) Measuring electric current
Explanation: A galvanometer detects and measures small electric currents.

Conceptual Questions with Answers

1. How does a thermometer work?
   Answer: A thermometer works by measuring the expansion of a liquid (mercury or alcohol) in a glass tube when exposed to temperature changes.
2. What is the function of an X-ray machine?
   Answer: An X-ray machine uses high-energy radiation to capture images of bones and tissues inside the body.
3. How does a microwave oven heat food?
   Answer: A microwave oven produces electromagnetic waves that cause water molecules in food to vibrate, generating heat and cooking the food.
4. Why is a refrigerator important in a household?
   Answer: A refrigerator slows down bacterial growth, helping to preserve food for longer periods.

Important Points for Quick Revision

• Thermometer – Measures temperature.
• Microscope – Magnifies small objects.
• X-ray Machine – Helps in medical imaging.
• Refrigerator – Preserves food.
• Stethoscope – Amplifies body sounds.
• Anemometer – Measures wind speed.

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The All India Sainik Schools Entrance Examination (AISSEE) is a competitive exam conducted by the National Testing Agency (NTA) for admission to Class 6 and Class 9 in Sainik Schools across India. The exam is designed to assess students’ knowledge in subjects like Mathematics, General Knowledge, Language, and Intelligence for Class 6, and Mathematics, Science, English, Social Science, and Intelligence for Class 9.

Understanding AISSEE Exam Pattern and Syllabus

Before diving into the topic “Different Types of Scientific Devices Used in Daily Life,” let’s first understand the AISSEE exam structure to align our preparation accordingly.

AISSEE Exam Pattern for Class 6

AISSEE Exam Pattern for Class 9