Science Bowl Practice Questions With Verified And Updated Answers

Science Bowl Practice Questions With Verified And Updated Answers Math; Multiple Choice: If the determinant of a matix is zero, the matix is said to be W.) an Eigen-matrix X.) singular Y.) invertible Z.) Gaussian - answerX.) singular Math; Multiple Choice: Matrix multiplication differs from scalar multiplication in that matrix multiplication is not W.) commutative X.) associative Y.) distributed over addition Z.) well-defined - answerW.) commutative Physics; Multiple Choice: materials that transmit sound easily are W.) non elastic X.) elastic Y.) nonmetallic Z.) metals only - answerX.) elastic Physics; Multiple Choice: the interactions between two waves arriving at the same point at the same time is called W.) refraction X.) reflection Y.) diffraction Z.) interference - answerZ.) interference Biology; MC: the grasslands of South Africa are the W.) velds X.) pampas Y.) steppes Z.) prairies - answerW.) velds Biology; MC: Parasitism is a type of W.) commensalism X.) mutualism Y.) predation Z.) symbiosis - answerZ.) symbiosis Biology; MC: The symbiotic relationship between sea anemones and shrimp is an example of W.) mutualism X.) parasitism Y.) commensalism Z.) competition - answerY.) commensalism Earth and Space; MC: The largest group of rock-forming minerals consists of the W.) quartzes X.) halides Y.) silicates Z.) oxides - answerY.) silicates Earth and Space; Short Answer: What basin in West Texas has yielded the greatest amount of oil from upper Paleozoic formation in the Western U.S.? - answerPermian Physics; MC: Fundamental tones always have the W.) lowest possible overtones X.) highest possible overtones Y.) lowest possible pitch Z.) highest possible pitch - answerY.) lowest possible pitch Physics; MC: The property of sound that increases when sound gets louder is W.) frequency X.) pitch Y.) intensity level Z.) wavelength - answerY.) intensity level General Science; MC: The study of how people use tools to perform for and how people physically relate to their working environment is called W.) engineering X.)ergonomics Y.) agronomy Z.) Physiology - answerX.) ergonomics Chemistry; MC: Who first proposed the concept of free energy? W.) Hess X.) Dalton Y.) Gibbs Z.) Lavoisier - answerY.) Gibbs Chemistry; MC: The maximum work that a spontaneous process can provide is given by W.) delta S X.) delta G Y.) delta H Z.) delta T - answerX.) delta G Earth and Space; MC: The local group of galaxies contains W.) The Milky Way and three large elliptical galaxies X.) Hundreds of large and small galaxies Y.) Three spiral galaxies and a number of smaller galaxies Z.) Six large spiral galaxies - answerY.) Three spiral galaxies and a number of smaller galaxies Earth and Space; MC: The Hubble Space Telescope found evidence for a black hole a the center of several galaxies by measuring W.) The emission of X-rays X.) The size of the galaxy's nucleus Y.) Gravitational density waves near the galaxy's center Z.) The rotational velocity of stars near the galaxy's center - answerZ.) The rotational velocity of stars near the galaxy's center Biology; MC: A species that grows exponentially for some times and then suddenly crashes is showing a W.) delayed logistic growth curve X.) boom and bust growth curve Y.) delayed exponential growth curve Z.) logistic growth curve - answerX.) boom and bust growth curve Biology; MC: The first, and perhaps the best known, case of biological magnification involved the pesticide W.) PCB X.) Dieldrin Y.) NO Z.) DDT - answerZ.) DDT General Science; Short Answer: Which prefix is often used with scientific terms to indicate that something is the same, equal, or constant? - answerIso Math; MC: If an integral contains the square root of a combination of a constant and the square of the integration variable, a helpful technique for evaluating the integral is known as W.) integration by parts X.) integration by trig substitution Y.) double integration Z.) Antidifferentiation - answerX.) integration by trig substitution Math; MC: In terms of factorials, how many 9 digit numbers are there with all digits different? W.) 10! X.) 9 x 9! Y.) 9! Z.) 9 x 8! - answerX.) 9 x 9! Physics; MC: Electromagneic waves differ from other waves because they