Nln Pax Prep Science - Spring 2021 Exam Questions (169 Terms) With Verified Definitions Updated 2024

As an object falls freely near the surface of the earth, its speed increases, representing a transformation of {Ans: protentional energy to kinetic energy}You cut your finger rather deeply while slicing an apple. Which of these actions should you take first? {Ans: Wash the wound continuously with cold running water.}A room temperature, which of these substances exists as diatomic molecules? {Ans: Oxygen (Have No Fear Of Ice Cold Beer: hydrogen, nitrogen, fluorine, oxygen, iodine, chlorine, bromine.)}Heat energy is absorbed in which of these phase changes? {Ans: Br2 (l) -> Br2 (g)}Which of these substances contains a nonpolar covalent bond? -NaCl -HBr -O2 -NH3 {Ans: O2}If blue light emits electrons from a photosensitive surface, then electrons must also be emitted by A. ultraviolet light B. green light C. orange light D. infrared light {Ans: ultraviolet light}Which part of the human central nervous system controls voluntary movements? {Ans: cerebrum}When a sperm and egg join to form a zygote in humans, what determines the sex of the child that is produced? {Ans: The sperm}A cell which manufactures a large amount of protein for export would have an abundance of organelles called {Ans: Ribosomes}The weight