# Three-dimensional space: Quiz

Question 1: The visual ability to perceive the world in three dimensions is called ________.
Depth perceptionAutostereogramBinocular visionStereogram

Question 2: In mathematics, ________ (also called Cartesian geometry) describes every point in three-dimensional space by means of three coordinates.
Vector spaceAnalytic geometryCartesian coordinate systemEuclidean vector

Question 3: The understanding of three-dimensional space in humans is thought to be learned during infancy using unconscious inference, and is closely related to ________.

Question 4: In physics, our three-dimensional space is viewed as embedded in ________ space-time, called Minkowski space (see special relativity).
DimensionPolytopeFive-dimensional spaceFourth dimension

Question 5: Other popular methods of describing the location of a point in three-dimensional space include ________ and spherical coordinates, though there are an infinite number of possible methods.
Cartesian coordinate systemSpherical coordinate systemCylindrical coordinate systemConical coordinates

Question 6: Many of the laws of physics, such as the various ________, depend on dimension three [2].
SunInverse-square lawEnergyLight

Question 7: Another mathematical way of viewing three-dimensional space is found in ________, where the idea of independence is crucial.
Matrix (mathematics)Linear algebraEigenvalue, eigenvector and eigenspaceVector space

Question 8: Three-dimensional space is a geometric model of the physical ________ in which we live.
Big BangRedshiftTimeUniverse