independent variable The measurable effect, outcome, or response in which the research is interested. - Answer -dependent variable Structures that scientists build to represent something else. - Answer -Physical Model a verbal or graphical explanation for how a system works or is organized - Answer -conceptual model A description of a system using mathematical concepts and language like an equation. - Answer -
mathematical model a computer program that models an event or object - Answer -computer model Only falsifiable statements can be subject to scientific inquiry - Answer -principle of falsification a statement that is worded so that it is falsifiable, or disprovable, by experimental results - Answer -
falsifiable statement Concise statement that summarizes the results of many observations and experiments - Answer -Law A well -tested explanation for a wide range of observations or experimental results. - Answer -scientific theory The theory that the universe originated in a huge explosion that released all matter and energy. - Answer -Big Bang Theory Sections of the Earth's crust that move due to convection currents. - Answer -tectonic plates The hypothesis that the continents slowly move across Earth's surface. - Answer -continental drift International System of units based on the metric system and units derived from the metric system - Answer -SI system kilogram (kg) - Answer -SI unit for mass meter (m) - Answer -SI unit for length seconds (s) - Answer -SI unit for time Kelvin (K) - Answer -SI unit for temperature prefix used in the International System to indicate a power of 10 - Answer -SI prefix centi (c) - Answer -SI prefix meaning 0.01 milli (m) - Answer -SI prefix meaning 0.001 kilo (k) - Answer -SI prefix meaning 1,000 Micro - Answer -SI prefix meaning .000001 Nano (n) - Answer -SI prefix meaning .000000001 Mega (M) - Answer -SI prefix meaning 1,000,000 The distance an object travels per unit of time - Answer -Speed Amount of space occupied by an object - Answer -Volume Mass per unit volume - Answer -Density Mass divided by volume D=m/v - Answer -Density formula a relationship in which one variable increases with an increase in another variable or vice versa - Answer -direct relationship a relationship in which one variable decreases when another variable increases and vice versa - Answer -
inverse relationship defined in terms of standards - Answer -base quantity a physical aspect described by a combination of base quantities - Answer -derived quantity The speed of an object in a particular direction - Answer -Velocity Change in velocity divided by the time it takes for the change to occur - Answer -Acceleration Speeds up Slows down