Science and Technology Quiz

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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?

Normal line Signup and view all the answers

What is the result of iodine deficiency in the diet?

Goiter Signup and view all the answers

What is the outermost layer of the Earth?

Crust Signup and view all the answers

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

Panthalassa Signup and view all the answers

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

PHIVOLCS Signup and view all the answers

What is the main function of the reproductive system?

Perpetuation of species 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?

Boyle's Law 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?

Crust Signup and view all the answers

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

Mountain belt Signup and view all the answers

Who developed the theory of continental drift?

A German scientist Signup and view all the answers

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

Energy waves Signup and view all the answers

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

Less than 1% Signup and view all the answers

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

Climatologist 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?

MRI Signup and view all the answers

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

Convex lens Signup and view all the answers