Science and Technology Quiz
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Questions and Answers

What is the formula for calculating work done on an object when a force is applied?

  • W = s/F
  • W = F/s
  • W = F × s × Cos θ (correct)
  • W = F + s

    • Kinetic energy is defined as the energy possessed by an object due to its motion.

    True

    What is the SI unit for both work and energy?

    joule

    The energy which an object has because of its motion is called _____ energy.

    <p>kinetic</p> Signup and view all the answers

    Match the following forms of energy with their examples:

    <p>Mechanical energy = A moving car Heat energy = Hot coffee Chemical energy = Batteries Nuclear energy = Atoms splitting</p> Signup and view all the answers

    What is the primary goal of the Science and Technology textbook?

    <p>To understand and explain relevant science and technology</p> Signup and view all the answers

    Students are encouraged to carry out activities and experiments without taking any precautions.

    <p>False</p> Signup and view all the answers

    Name one type of activity mentioned in the textbook that stimulates thinking.

    <p>Use your brain power!</p> Signup and view all the answers

    The textbook encourages the conservation of the __________.

    <p>environment</p> Signup and view all the answers

    Match the following activity titles with their objectives:

    <p>Observe and discuss = Engage in conversation about observations Try this = Conduct a specific experiment Use your brain power! = Stimulate critical thinking Research = Explore deeper into topics</p> Signup and view all the answers

    Which of the following is mentioned as a tool to facilitate studying?

    <p>Computers and mobile phones</p> Signup and view all the answers

    The textbook discourages students from asking for help.

    <p>False</p> Signup and view all the answers

    What is the primary objective of science education according to the document?

    <p>To learn logical thinking about events.</p> Signup and view all the answers

    Experimentation is unnecessary for learning observation skills.

    <p>False</p> Signup and view all the answers

    What are the two activities mentioned that help explain the content of the lesson?

    <p>Try this and Let's try this.</p> Signup and view all the answers

    The document encourages students to explore their own __________ about the events of the world.

    <p>curiosity</p> Signup and view all the answers

    Match the following sections with their purpose:

    <p>Let's recall = Review previous knowledge Can you tell? = Introduce a new topic Use your brain power! = Apply previous and new knowledge Always remember = Provide important suggestions</p> Signup and view all the answers

    Which of the following skills is NOT mentioned as part of science education?

    <p>Memorization</p> Signup and view all the answers

    The document suggests that students in middle school should limit their curiosity.

    <p>False</p> Signup and view all the answers

    What is the significance of the two years in middle school as mentioned in the document?

    <p>They lay the foundation of higher education in Science.</p> Signup and view all the answers

    The document states that it is the duty and responsibility to enhance students' interest in __________.

    <p>science</p> Signup and view all the answers

    Which term describes the minimum distance between the starting and finishing points?

    <p>Displacement</p> Signup and view all the answers

    Distance and displacement are the same quantity.

    <p>False</p> Signup and view all the answers

    What is the formula to calculate speed?

    <p>Speed = Distance / Time</p> Signup and view all the answers

    The radius of the circular field Swaralee walks around is _____ meters.

    <p>100</p> Signup and view all the answers

    Match the following terms with their correct definitions:

    <p>Distance = The total path length traveled Speed = Distance traveled per unit time Velocity = Speed with a direction Displacement = The shortest distance between two points</p> Signup and view all the answers

    If a car travels from point P to Q and then returns to point P, what is the displacement?

    <p>0 meters</p> Signup and view all the answers

    Speed and velocity are measured in different units.

    <p>False</p> Signup and view all the answers

    Describe the difference between scalars and vectors.

    <p>Scalars have only magnitude while vectors have both magnitude and direction.</p> Signup and view all the answers

    Swaralee walks around the edge of a circular field, making her distance traveled equal to _____ meters after one complete round.

    <p>628.32</p> Signup and view all the answers

    Which of the following quantities is NOT a vector?

    <p>Time</p> Signup and view all the answers

    What is true about negative acceleration?

    <p>The velocity decreases.</p> Signup and view all the answers

    Positive acceleration means that the velocity of an object decreases.

    <p>False</p> Signup and view all the answers

    What is the minimum distance between the start and finish points of an object's motion called?

    <p>displacement</p> Signup and view all the answers

    Deceleration is __________ acceleration.

    <p>negative</p> Signup and view all the answers

    Which factor represents non-uniform motion?

    <p>An object moves 18 m in the first 3 s, 22 m in the next 3 s.</p> Signup and view all the answers

    Match the following scenarios with their descriptions:

    <p>A car, initially at rest, reaches a velocity of 50 km/hr in 10 seconds = Positive acceleration A vehicle is moving with a velocity of 25 m/s = Zero acceleration A vehicle moving with the velocity of 10 m/s, stops after 5 seconds = Negative acceleration</p> Signup and view all the answers

    Calculate the average speed if an object moves 18 m in 3 s, 22 m in 3 s, and 14 m in the last 3 s.

    <p>6 m/s</p> Signup and view all the answers

    When an object is in uniform circular motion, its __________ changes at every point.

    <p>velocity</p> Signup and view all the answers

    If an object of mass 16 kg is moving with an acceleration of 3 m/s², what is the applied force?

    <p>48 N</p> Signup and view all the answers

    Study Notes

    Science and Technology Standard Nine

    • This textbook is for Standard Nine students in Maharashtra.
    • A digital version of the textbook is available through the DIKSHA app using a QR code.
    • The QR code on the title page provides additional audio-visual teaching-learning material.
    • The Coordination Committee, GR No. Abhyas - 2116/(Pra.Kra.43/16) SD - 4, dated 25.4.2016, approved the textbook on 3.3.2017.
    • The Maharashtra State Bureau of Textbook Production and Curriculum Research, Pune, is the publisher.
    • The book's first edition was published in 2017, with a reprint in 2020.

    Preamble

    • The preamble describes the values of the Indian Constitution.
    • The preamble states that India will be a Sovereign Socialist Secular Democratic Republic to safeguard justice, liberty, equality and fraternity.

    National Anthem

    • The text of the National Anthem of India is included
    • The Pledge includes a commitment to India and its people.

    Preface

    • The preface is a message to students about the textbook.
    • It encourages students to actively engage in hands-on activities and experiments to better understand the science and technology concepts.
    • The use of technology is encouraged, particularly with devices for information communication technology.
    • It encourages student feedback regarding the textbook

    Other Notes

    • The book contains information about different scientific committees and individuals involved in its development.
    • There are various images and diagrams in the book to depict the subject matters.
    • There is content about the National Physical Laboratory, under the authority of the Council of Scientific and Industrial Research.

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    Description

    Test your knowledge on the fundamental concepts of work, energy, and the principles outlined in the Science and Technology textbook. This quiz includes definitions, matchings, and the primary objectives of science education. See how well you understand the key ideas that drive scientific learning and experimentation.

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