Science and Technology Quiz
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Questions and Answers

What percentage of the Earth's total mass is made up of the mantle?

  • 90%
  • 32%
  • 80%
  • 68% (correct)
  • What is the term for the process by which water changes from liquid to gas?

  • Transpiration
  • Respiration
  • Condensation
  • Evaporation (correct)
  • What is the function of the axon in a neuron?

  • Carries messages away from the cell body (correct)
  • Provides structural support
  • Stores genetic information
  • Carries messages towards the cell body
  • What is the term for the line that divides the incident and reflected rays?

    <p>Normal line</p> Signup and view all the answers

    What is the result of iodine deficiency in the diet?

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

    What is the outermost layer of the Earth?

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

    What is the name of the huge ocean that surrounded Pangaea?

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

    What is the name of the Philippine institute that deals with volcanology and seismology?

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

    What is the main function of the reproductive system?

    <p>Perpetuation of species</p> Signup and view all the answers

    What is the name of the law that describes the inverse relationship between the volume and pressure of a gas?

    <p>Boyle's Law</p> Signup and view all the answers

    What is the name of the layer of the Earth that makes up only 1% of its total mass?

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

    What is the term for the group of geographically related mountains?

    <p>Mountain belt</p> Signup and view all the answers

    Who developed the theory of continental drift?

    <p>A German scientist</p> Signup and view all the answers

    What type of waves are generated by the sudden movement of a plate?

    <p>Energy waves</p> Signup and view all the answers

    What percentage of Earth's water is available for human use?

    <p>Less than 1%</p> Signup and view all the answers

    What is the term for a scientist who studies climate patterns and history?

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

    What is the term for a medical procedure that allows doctors to see an image of the internal body?

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

    What type of lens is thicker at the edges and thinner in the center?

    <p>Convex lens</p> Signup and view all the answers

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