WGU C165 Integrated Physical Sciences Test Questions and Answers Already Passed Latest Update

WGU C165 Integrated Physical Sciences Test Questions and Answers Already Passed Latest Update Physics - Answers The study of forces, energy, motion Chemistry - Answers The study of atoms and molecules, their structures, and their interactions to form substances Earth science - Answers The study of the Earth's structure and composition, and processes that change Earth essential attributes of science - Answers Studies the natural world Uses testable ideas Relies on data from observations/experiments Presented for evaluation by other scientists Leads to further questions/research variables - Answers The changing quantities in an experiment independent variable - Answers What you change in an experiment on purpose dependent variable - Answers The variable that changes because of an independent variable control variable - Answers The variable(s) you don't want to study, need to be either eliminated or kept constant observational study - Answers When systems are observed as they appear in nature, researchers do not attempt to change them physical model - Answers A model of a physical phenomenon, such as a planetary system conceptual model - Answers A model used to visualize things that cannot be seen, such as atoms mathematical model - Answers A model that treats physical objects/phenomena using mathematical methods computer model - Answers A detailed, complex model calculated by a computer principle of falsification - Answers Principle that only falsifiable statements can be subject to scientific inquiry hypothesis - Answers A testable statement about how something in nature works law - Answers A concise statement that is supported by scientific evidence and repeated experiments, describes a widespread pattern in nature (what) theory - Answers A statement that explains a wide range of observations, supported by a large body of scientific evidence (how/why) meter - Answers Base unit of length kilogram - Answers Base unit of mass second - Answers Base unit of time kelvin - Answers Base unit of temperature Derived units - Answers What is produced when the base units/quantities are combined Speed - Answers The name for the distance traveled divided by an interval of time Volume - Answers Term for the amount of space an object occupies Liquid displacement - Answers Method of determining the volume of an object by measuring the amount of liquid it displaces direct relationship - Answers A relationship between two variables where increasing one increases the other, and vice versa inverse relationship - Answers A relationship between two variables where increasing one decreases the other, and vice versa Velocity - Answers A combination of speed and direction Acceleration - Answers Term for any change in an object's speed and/or direction Force - Answers Term for a push or a pull with direction and magnitude. You may not feel it. Net force - Answers The sum of all forces acting on an object balanced forces - Answers Term for forces that combine to produce a net force of 0 Newton's first law - Answers An object in motion remains in motion unless acted on by a net force inertia - Answers The tenancy to keep the same motion/velocity or remain at rest. Newton's first law Newton's second law - Answers Net force = mass x acceleration (F = ma) Newton's third law - Answers When one object exerts a force on a second object, the second object exerts a force of the same magnitude in the opposite direction on the first object ("For every action, an equal and opposite reaction") friction - Answers The force that opposes the motion of an object on which it acts Kinetic friction - Answers Friction between two objects moving against each other Static friction - Answers Friction between two objects touching but not moving against each other Fluid resistance - Answers Friction when an object moves through a gas or liquid Gravity - Answers Attractive force between objects directly proportional to their masses and inversely proportional to the square of their distance Linear momentum - Answers Name for the mass of an object times its velocity Law of conservation of momentum - Answers Term for the fact that momentum is conserved when two or more objects collide elasticity - Answers The amount of bounce an object has after a collision